5 companies now make up 20% of the S&P 500. Here's why Goldman Sachs says that's a bad signal for future market returns. (MSFT, AAPL, AMZN, GOOGL, FB)
The stock market has been propped up by a handful of mega-cap companies leading into the coronavirus pandemic. The five largest stocks now accou...
27 Apr 2020 ... Here's why Goldman Sachs says that's a bad signal for future market returns. (
MSFT, AAPL, AMZN, GOOGL, FB).
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