S&P Dow Jones Indices announced on June 7 that three companies would be added to the S&P 500. These instantly became stocks to buy for institutional managers who must reconfigure their holdings to track the index’s newest constituents. Entering the index on June 24 are KKR (NYSE:KKR), Crowdstrike (NASDAQ:CRWD) and GoDaddy (NYSE:GDDY). Leaving are Robert Half (NYSE:RHI), Comerica (NYSE:CMA) and Illumina (NASDAQ:ILMN). The three going into the index are more representative of large-cap stocks. There are a num ...