U.S. stocks rebounded aggressively from a three-year low Tuesday, with the Dow industrials posting their biggest daily surge since October 2008, as investors hoped U.S. lawmakers were nearing agreement on stimulus legislation to rescue the economy from the damage caused by the coronavirus. The Dow Jones industrial average rose 2,113, or 11.4 percent, to 20,704.91. The broader Standard & Poor's 500 index rose 209.93, or 9.4 percent, to 2,447.33. The technology-heavy Nasdaq composite index rose 557.18, or 8.1 percent, to 7,417.86.