Key TakeawaysThe S&P 500 added 0.4% on Tuesday, Nov. 19, as investors digested a strong report from a major retailer and awaited more big-name earnings results.Super Micro Computer shares skyrocketed after the server maker filed a compliance plan to avoid delisting by the Nasdaq.Shares of Incyte tumbled as the pharma company discontinued the development of one drug and paused enrollment in another clinical trial. Major U.S. equities indexes were mixed on Tuesday. Concerns about escalating global tensions cl ...