With U.S. stock futures trading higher this morning on Monday, some of the stocks that may grab investor focus today are as follows:Wall Street expects Williams Companies Inc (NYSE:WMB) to report quarterly earnings at 51 cents per share on revenue of $2.89 billion after the closing bell, according to data from Benzinga Pro. Williams shares rose 0.4$57.87 on Friday.Spirit AeroSystems Holdings Inc (NYSE:SPR) reported a loss of $4.87 per share. The company reported quarterly sales of$1.585 billi ...