By Medha Singh (Reuters) -Shares of highly shorted Upstart Holdings Inc are on track for their best day in more than two years, squeezing bearish investors, after the artificial intelligence-driven lending marketplace secured an additional $2 billion in funding. The company's stock jumped 35% on Wednesday. San Mateo, California-based Upstart, which uses AI to verify and process loans quickly, said it would receive the capital from new and existing partners over the next 12 months, helping the...

NEW YORK (Reuters) - The S&P 500 closed lower on Tuesday, as investors focused on a report questioning Moderna's recent coronavirus vaccine early-stage trial results, wiping out modest gains on the benchmark index in the last hour of trading. Major averages fell to session lows in the wake of a report from STAT News that questioned the validity of the results of Moderna's vaccine trial, which the company had announced Monday. Moderna Inc shares plunged after the report, and closed down...

NEW YORK (Reuters) - The three major averages on Wall St. notched their fourth gain in five sessions on Wednesday as investors again bet on a swift economic recovery from coronavirus-driven lockdowns and the potential for more stimulus measures from the Federal Reserve. The S&P 500 stands at a two-month high and was briefly above its 100-day moving average, a closely watched technical indicator that has acted as a resistance level. The Nasdaq finished at its highest close in three months and...

(Reuters) - U.S. stocks rallied on Thursday as hopes for a truce in the price war between Saudi Arabia and Russia and a cut in oil output drove gains, taking some sting out of a shocking jump in Americans filing jobless claims due to coronavirus-led lockdowns. The S&P energy index <.SPNY>, down by more than 50% this year due to the Russia-Saudi price war and coronavirus-driven demand worries that has caused oil prices to plunge, climbed 9.08%. Saudi Arabia has called for an emergency meeting...