With U.S. stock futures trading higher this morning on Wednesday, some of the stocks that may grab investor focus today are as follows: Wall Street expects McKesson Corporation (NYSE:MCK) to report quarterly earnings at $7.21 per share on revenue of $82.53 billion after the closing bell, according to data from Benzinga Pro. McKesson shares gained 2.2% to $627.73 in after-hours trading. Wix.com Ltd. (NASDAQ:WIX) reported better-than-expected second-quarter earnings results and ...