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 Brinker International, Inc. (NYSE:EAT) to report quarterly earnings at $1.65 per share on revenue of $1.16 billion before the opening bell, according to data from Benzinga Pro. Brinker shares fell 0.1% to $70.35 in after-hours trading. Serve Robotics Inc. …