U.S. stocks rise; Merck, Sprint rally on results By: MarketWatch April 29, 2014 at 10:04 AM EDT U.S. stocks move higher, building on gains from the previous session, as investors welcome better-than-expected earnings from Merck and Sprint. Read More >> Related Stocks: AT&T Inc Amicus Therapeutics Archer-Daniels-Midland Coach Gogo Inc Merck & Co Sentinelone Inc Cl A Standard & Poors 500 Twitter, Inc. eBay