US stocks jumped on Thursday on hopes the winner of the U.S. presidential and congressional election would soon be determined, with shares of major tech-related companies leading the gains. The Dow Jones Industrial Average closed 542.52 points higher, or 1.95%, at 28,390.18. Earlier in the day, the 30-stock average was higher by more than 600 points. The S&P 500 climbed 1.95% to 3,150.45 and the tech centric Nasdaq Composite advanced 2.6% to 11,890.93. Thursday also marked the first time since 1982 that the Dow and S&P 500 rose at least 1% on four straight sessions.