Etsy gets into S&P 500, Tesla does not

Shares of Tesla tumbled 7% in extended trade on Friday after the electric car maker was excluded from a group of companies being added to the S&P 500, among them Etsy, whose stock market value is less than a 20th of Tesla's. The decision by S&P Dow Jones Indices is a blow to Tesla investors who widely expected the company to join the benchmark stock index after a blockbuster quarterly report...