With U.S. stock futures trading mixed this morning on Wednesday, some of the stocks that may grab investor focus today are as follows:Wall Street expects Alphabet Inc. (NASDAQ:GOOGL) (NASDAQ:GOOG) to report quarterly earnings at $2.32 per share on revenue of$99.64 billion after the closing bell, according to data from Benzinga Pro. Alphabet shares rose 0.1% to $267.84 in after-hours trading.Visa, Inc. (NYSE:V) posted better-than-expected fourth-quarter earnings after Tuesday’s closing bell. Visa reported q ...