U.S. stocks traded extended gains midway through trading, with the Nasdaq Composite gaining around 150 points on Tuesday. The Dow traded up 1.50% to 33,318.55 while the NASDAQ rose 1.46% to 10,718.77. The S&P 500 also rose, gaining, 1.3% to 3,856.88. Also check this: Wall Street's Most Accurate Analysts Reshuffled Their Best Gaming Picks, Here They Are Leading and Lagging Sectors Materials shares gained 2.6% on Tuesday. Leading the sector was strength from McEwen Mining Inc. (NYSE:MUX) and Equinox Gold Corp. (NYSE:EQX). In trading on Tuesday, energy shares fell by 0.3%. Top Headline The NFIB Small Business Optimism Index dropped…