With U.S. stock futures trading mixed this morning on Tuesday, some of the stocks that may grab investor focus today are as follows: Wall Street expects Patterson Companies, Inc. (NASDAQ:PDCO) to report quarterly earnings at $0.83 per share on revenue of $1.71 billion before the opening bell, according to data from Benzinga Pro. Patterson shares gained 3.9% to $23.75 in after-hours trading. JELD-WEN Holding, Inc. (NYSE:JELD) named Samantha L. ...