US stocks surged on Tuesday, adding to their strong gains from last week, as optimism grew about the reopening of the economy and a potential coronavirus vaccine. The Dow added 530 points to gain +2.2%, the S&P 500 rallied +1.2% trading above 3,000 points for most of the session but fell back below that level in the final minutes. The NASDAQ lagged rising just +0.2%.
