With U.S. stock futures trading lower this morning on Tuesday, some of the stocks that may grab investor focus today are as follows:Wall Street expects Goldman Sachs Group Inc. (NYSE:GS) to report quarterly earnings at $11.00 per share on revenue of$14.10 billion before the opening bell, according to data from Benzinga Pro. Goldman Sachs shares gained 1% to 795.00 in after-hours trading.Analysts are expecting JPMorgan Chase & Co. (NYSE:JPM) to post quarterly earnings at 4.84 per share on revenue of $45.3 ...