With U.S. stock futures trading lower this morning on Wednesday, some of the stocks that may grab investor focus today are as follows: Wall Street expects AT&T Inc. (NYSE:T) to report quarterly earnings at 57 cents per share on revenue of $29.92 billion before the opening bell, according to data from Benzinga Pro. AT&T shares fell 0.2% to $18.18 in after-hours trading. Tesla Inc. (NASDAQ:TSLA) reported weaker-than-expected earnings for its second quarter, while sales topped estimates. The company ...