With U.S. stock futures trading mixed this morning on Thursday, some of the stocks that may grab investor focus today are as follows:Wall Street expects PepsiCo Inc. (NASDAQ:PEP) to post quarterly earnings at $2.26 per share on revenue of$23.83 billion before the opening bell, according to data from Benzinga Pro. PepsiCo shares rose 0.1% to $139.00 in after-hours trading.Costco Wholesale Corp. (NASDAQ:COST) reported net sales of$26.58 billion for the retail month of September, which includes the five week ...