Tuesday, April 22, 2014 | 1:10 p.m.
Typically when stocks are added to the S&P 500, there is a flurry of buying as the stocks are actually inserted into the index and index funds. There is also a constant scan on Wall Street for what stocks could be added to the venerable index next. Many portfolio managers look through the largest cap names trying to ascertain which may be added next, and buy the stock in front of the news.
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