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 NVIDIA Corporation (NASDAQ:NVDA) to report quarterly earnings at 64 cents per share on revenue of $28.68 billion after the closing bell, according to data from Benzinga Pro. NVIDIA shares fell 0.5% to $127.70 in after-hours trading.Nordstrom, Inc. (NYSE:JWN) reported stronger-than-expected earnings for its second quarter on Tuesday. The company reported quarterly earnings of 96 cents per share, which beat the analyst consensus estimate of 71…