A set of loser stocks has turned it around, and Wall Street is now the winner
Another favorite sector on the Street was health care. Both the S&P 500 tech and health-care sectors have seen more than 80 percent of their components beat expectations for earnings per share. That's well above the 70 percent rate of the S&P 500 overall, according to Thomson Reuters data. Of the eight major Wall Street analysts' calls that CNBC reviewed,...