The Perils of Investing in Index Funds (2024)

A sea change has been quietly reshaping portfolios in recent years. Investors have been fleeing actively managed funds and flocking to index funds. In 2017 (through November), investors pulled $191 billion from actively managed U.S. stock funds and poured $198 billion into indexed U.S. stock funds, according to Morningstar, the investment research firm. Investors have, on net, withdrawn money from active U.S. stock funds and invested in U.S. stock index funds in every year since 2007. Those investors have likely been chasing strong relative performance among index funds. Not a single category of actively managed funds has managed to beat comparable index funds over the past 10 years through June 2017, according to Morningstar.

Fidelity's Stock-Picking Culture Is Alive and Well

But the tide could be turning. Active management staged an impressive comeback in 2017. In the 12 months through June (the most recent period for which data is available), eight out of the 12 actively managed fund categories that Morningstar tracks beat peer index funds. That marked a massive turnaround, given that only one out of the 12 categories of active funds beat similar passive funds in 2016.

Stock pickers get their groove back. Stock correlations—the degree to which individual stocks tend to move together—have been plummeting since 2016. And although most sectors gained in 2017, there was an unusually wide gap in returns between the sectors that performed the best and those that fared worst. That makes for a fertile environment for stock pickers, who can more easily beat an index when fewer stocks and sectors move in lockstep with it.

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Of course, a dyed-in-the-wool index investor might not fret about missing out on a slight performance advantage. That, after all, is the basic trade-off of indexing: You forgo any chance of beating the market in exchange for the promise of matching the market, minus fees.

Active funds may shine in down markets in part because managers can keep more cash on hand than do index funds.

But index investors might feel differently if they knew that they could be staring down larger losses than their active-fund counterparts during the next bear market. Fidelity found that active funds that invest in large U.S. companies beat their benchmarks by half a percentage point, on average, during a period roughly coinciding with the 2007–09 bear market. Some active funds trounced the indexes. For example, the bargain-seeking AMG Yacktman fund (symbol YACKX) beat Standard & Poor’s 500-stock index by nearly nine percentage points over the course of the bear market. “By definition, index funds guarantee that you will suffer 100% of the next bear market’s decline,” says Jim Stack, president of InvesTech Research.

Active funds may shine in down markets in part because managers can keep more cash on hand than do index funds. But it’s also likely, if difficult to prove, that managers’ judgment calls deserve credit. Typically, parts of the market turn frothy in the late stages of a bull run (think of the housing and financial sectors before the 2007–09 downturn, or internet stocks before the 2000–02 bust). Active managers might identify excesses and trim the troublesome sectors before stocks turn south.

By contrast, because most indexes weight components by market capitalization (stock price multiplied by shares outstanding), they impose no checks on ballooning, overvalued stocks and sectors, which account for an ever-increasing portion of the index as those assets keep rising. That leaves investors in funds that mirror the index exposed in a falling market, when those overvalued stocks and sectors usually lose the most. Investors worried about holding outsize stakes in pricey assets might note the 11% weighting of FAANG stocks (Facebook, Amazon, Apple, Netflix and Google parent Alphabet) in the S&P 500, or the overall 24% weighting of technology stocks in the index.

Not only might index funds lose more in a bear market, they may also drive investors to make worse decisions when stocks fall. Dalbar, a research and consulting company, tracks what it calls “investor returns.” Unlike traditional return measures, investor returns represent what you actually see on your statement because they take into account buy and sell decisions. You can invest in a top-performing fund, for instance, but if you buy high and sell low, your investor returns won’t measure up to the fund’s return. Dalbar found that investor returns in active funds beat investor returns in index funds by the widest margins during falling markets.

That means investors may do a better job of buying low—and avoiding selling low—in active funds. If an active manager is able to curb fund losses during a bear market, investors may feel more comfortable holding on. And if investors are better able to hold on, then a manager need not sell holdings at fire-sale prices to meet redemptions. That, in turn, boosts performance. “Investor behavior tends to be at its worst when the market is down,” says Cory Clark, director at Dalbar. “That is when something more than just tracking an index can soften the blow.”

Despite the potential advantages of active funds in bear markets, many investors believe that index funds are categorically less risky than actively managed funds. More than half of investors say index funds add more stability to portfolios than actively managed funds, according to Fidelity. “Investors equate index investing with safety,” says Stack. Those investors could be in for a nasty surprise when the long-running bull market eventually falters. Considering historical bear-market losses, Stack says, “When this party does end, investors could be facing a potential 40% loss if they remain fully invested in a blue-chip index fund.”

Index wisely. This is not to say that investors should bail out of index funds. They offer valuable benefits—chiefly lower costs and instant diversification within a given investment category. Just as with any style of management, index funds have strengths and weaknesses, and investors should keep those in mind when deciding how to use indexing in their portfolios.

The Perils of Investing in Index Funds (2)

(Image credit: Illustration by James Steinberg)

Index funds that invest in large U.S. companies have a winning long-term track record. But with $2.2 trillion of passive assets already pegged to the S&P 500, investors wary of market distortions should consider broader-based choices, such as Vanguard Total Stock Market (VTSMX) or its exchange-traded cousin (VTI), which is a member of the Kiplinger ETF 20, a list of our recommended exchange-traded funds. Fidelity Total Market (FSTMX) is another good choice. These funds are market-capitalization weighted, meaning investors bear the risk of loading up on the priciest stocks in a soaring market. So consider offsetting them with a proven value-oriented fund, such as Dodge & Cox Stock (DODGX), whose contrarian managers attempt to steer clear of manias. The fund is a member of the Kiplinger 25, a list of our favorite actively managed no-load funds.

Equally weighted index funds, in which each holding accounts for the same portion of the fund, may also better avoid bubbles. The trade-offs with these can be higher costs and greater turnover. One targeted fund that we think is a good buy is Guggenheim S&P 500 Equal Weight Health Care (RYH), an ETF 20 member.

The Vanguard and Fidelity total market funds both include modest exposure to midsize and small companies. Fine-tune your allocation to such companies by adding one or more active funds, such as Kip 25 member T. Rowe Price Small-Cap Value (PRSVX). Consider a similar approach for international stocks: Pick one broad-based index fund as your core holding—say, Vanguard Total International Stock (VGTSX) or the ETF equivalent (VXUS), which is in the Kip ETF 20—and then use actively managed funds to highlight geographic areas or promising investment styles. With bonds, consider sticking mainly to active funds in the current market, in which rising rates and other challenges call for flexibility and nimbleness.

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The Perils of Investing in Index Funds (2024)

FAQs

Is investing in an index fund enough? ›

If you're looking to make a long-term investment, then index funds may be a good option. But if you don't have the time or patience to wait out the market fluctuations, then purchasing individual stocks might be more suitable for your needs.

What is the risk of investing in index funds? ›

An index fund will be subject to the same general risks as the securities in the index it tracks. The fund may also be subject to certain other risks, such as: Lack of Flexibility. An index fund may have less flexibility than a non-index fund to react to price declines in the securities in the index.

What is the main disadvantage of investing in index funds? ›

The benefits of index investing include low cost, requires little financial knowledge, convenience, and provides diversification. Disadvantages include the lack of downside protection, no choice in index composition, and it cannot beat the market (by definition).

What are 3 advantages to index fund investing? ›

Over the long term, index funds have generally outperformed other types of mutual funds. Other benefits of index funds include low fees, tax advantages (they generate less taxable income), and low risk (since they're highly diversified).

Is it safe to only invest in index funds? ›

Lower risk: Because they're diversified, investing in an index fund is lower risk than owning a few individual stocks. That doesn't mean you can't lose money or that they're as safe as a CD, for example, but the index will usually fluctuate a lot less than an individual stock.

Can you beat index funds? ›

Long-term investors have been well served by index funds, which often charge very low fees and can be hard for active portfolio managers to beat. But some investors want to select individual stocks for portions of their portfolios.

Is it a bad time to invest in index funds? ›

Any time is good for investing in index funds when you plan to hold the fund for the long term. The market tends to rise over time, but not without some downturns along the way, thanks to short-term volatility.

Why don t the rich invest in index funds? ›

Wealthy investors can afford investments that average investors can't. These investments offer higher returns than indexes do because there is more risk involved. Wealthy investors can absorb the high risk that comes with high returns.

What are the risks of investing in money market funds? ›

Because they invest in fixed income securities, money market funds and ultra-short duration funds are subject to three main risks: interest rate risk, liquidity risk and credit risk.

What are the problems with index investing? ›

The rise of index investing creates many challenges for good corporate governance. Index funds are disincentivized from expending resources on improving the performance and corporate governance of the companies in which they invest, creating large blocks of stock held by disinterested holders.

Are index funds safe during a recession? ›

The important thing to remember about index funds is that they should be long-term holds. This means that a short-term recession should not affect your investments.

Why don t more people invest in index funds? ›

Another reason some investors don't invest in index funds is that they may have a preference for investing in a particular industry or sector. Index funds are designed to provide exposure to broad market indices, which may not align with an investor's specific interests or values.

Is index fund good or bad? ›

Index funds can be an excellent option for beginners stepping into the investment world. They are a simple, cost-effective way to hold a broad range of stocks or bonds that mimic a specific benchmark index, meaning they are diversified.

What are index advantages and disadvantages? ›

Indexes have several advantages and disadvantages. One advantage is that they focus attention on key variables, making it easier to understand complex phenomena. However, indexes also have disadvantages. They can be highly abstract, making it necessary to study tangible, composite forms of innovation-related phenomena.

Are stock indexes good or bad? ›

Index funds are a low-cost way to invest, provide better returns than most fund managers, and help investors to achieve their goals more consistently. On the other hand, many indexes put too much weight on large-cap stocks and lack the flexibility of managed funds.

Should I just put my money in an index fund? ›

To be sure, if you have the time, knowledge, and desire to create a portfolio of individual stocks, by all means, go for it. But even if you do own individual stocks, index funds can form a solid base for your portfolio. Index funds offer investors of all skill levels a simple, successful way to invest.

Do billionaires invest in index funds? ›

It's easy to see why S&P 500 index funds are so popular with the billionaire investor class. The S&P 500 has a long history of delivering strong returns, averaging 9% annually over 150 years. In other words, it's hard to find an investment with a better track record than the U.S. stock market.

Are index funds still the best way to invest? ›

The market tends to rise over time, but not without some downturns along the way, thanks to short-term volatility. For this reason, index funds make the most sense if you're looking for a long-term "set it and forget it" investment.

How much of my income should I invest in index funds? ›

Some experts recommend at least 15% of your income. Setting clear investment goals can help you determine if you're investing the right amount.

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