The world’s most followed stock index is set for a drastic makeover

An equal-weight basket made up of companies that were booted from the S&P 500 over the past three years (for reasons other than acquisitions) is down 47 per cent this year, almost five times more than the benchmark’s 2020 decline, according to data compiled by Bloomberg. Just five of the ousted firms have posted positive returns, while half have plunged 40 per cent or more. Oil and gas companies including Chesapeake Energy and Transocean are still off by 80 per cent or more. Bed Bath & Beyond and Macy’s are down roughly 70 per cent.

That will create more distortion in a lot of these indices. As we see a lot more market concentration, it’ll be harder to read what’s going on in the market.

Megan Greene, senior fellow at the Harvard Kennedy School

Of course, these companies were already in some form of trouble before the coronavirus struck, hence their removal. But the fact that they belong to industries directly in the cross-hairs of the fallout, where demand is waning, has been lucky for anyone with passive exposure to the market in, say, an S&P 500 ETF.

“It was more happenstance than actual foresight that those companies would end up getting worse,” said Keith Gangl, portfolio manager for Gradient Investments. Still, “just by the nature of having less energy and less consumer, that certainly has benefited the index.”

Shifts in index composition are made as needed and “changes in response to corporate actions and market developments can be made at any time,” according to S&P Dow Jones Indices. Human judgment is part of the process, too: the committee aims to minimise turnover and doesn’t view crossing below thresholds governing, say, market capitalisation, as a reason unto itself to boot a stock out.

“The addition criteria are for addition to an index, not for continued membership,” says the 41-page S&P US Indices Methodology rule book. “As a result, an index constituent that appears to violate criteria for addition to that index is not deleted unless ongoing conditions warrant an index change.”

Removal of 30 companies would surpass the annual average over the last three decades and rank with some of the busiest years. It’s a reminder that even passive structures have active elements, a fact on display last month when an oil exchange-traded fund reshuffled the mix of its futures time and again. In equity indexes, companies are booted when they fall below standards tied to market-cap or profitability. But deciding which firms to add requires a bit more finesse.

Pizza giant Domino’s was added to the S&P 500 earlier this month. Credit:AP

As it stands, a company must have a market-cap of at least $US8.2 billion ($12.6 billion) for S&P 500 consideration. Liquidity measures must also be sufficient, and the sum of total earnings over the past four quarters must be positive, along with profits in the most recent quarter.

Most recently, Capri Holdings – the company behind retail brands including Versace and Jimmy Choo – was removed from the S&P 500 on May 12 after it lost roughly $US5 billion in market value this year. As Capri was transferred to the S&P Small Cap 600 Index, medical device company DexCom and Domino’s Pizza were added to the large cap gauge. Both companies have posted double digit gains in 2020.

While market-cap standards “are reviewed from time to time to assure consistency with market conditions,” according to S&P methodology, consider what’s passed for small in the S&P 500 over the last 15 months. Market-cap guidelines for the large-cap gauge were raised to $US8.2 billion on February 20, 2019. After the latest stock rout, about a fifth of companies in the index no longer meet that standard.

The types of companies that can post consecutive profits in a post-COVID world are likely different from those that might have done it before, according to DataTrek’s Colas. Travel or leisure firms “don’t have much of a chance,” he wrote to clients, highlighting Uber and Lyft as examples of companies that may remain unprofitable for longer.


Plus, the index committee is probably hesitant to add more technology firms to a benchmark that’s already concentrated, he said. The S&P 500 Information Technology sector makes up 26 per cent of the index, the highest share since the dot-com burst.

Much of the stock rebound that reached 30 per cent from the March 23 bottom can be attributed to such consolidation. Resilience in megacaps, technology and health care was the salvation of bulls, but a growing schism ruled by automation between stock market “haves” and “have-nots” has provoked some concern worker rights and wealth inequality.

The strong equity performance also left many questioning how the stock market could become so unhinged from the real economy, where measures of unemployment are the worst in nine decades. At least part of the answer lies in the strength of megacap firms, with every member of the FAANG complex (Facebook, Amazon, Apple, Netflix and Google) positive in 2020.

Going forward, it’s likely that market concentration will only increase off the back of the COVID crisis, according to Megan Greene, senior fellow at the Harvard Kennedy School.

“That will create more distortion in a lot of these indices,” Greene said by phone. “As we see a lot more market concentration, it’ll be harder to read what’s going on in the market.”


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