Thermo Fisher Scientific Inc. (NYSE:TMO) is among the 14 Best S&P 500 Stocks to Buy Now. As of the close of business on December 17, Wall Street analysts have a consensus Strong Buy rating on the stock, with a one-year average share price target of $640.30, representing an upside of 12$675 from $635 on December 15, citing increased clarity about the U.S. go ...