美股三大指数集体收涨，道指涨0.14%，纳指涨1.38%

Group 1 - The core viewpoint of the article highlights that all three major U.S. stock indices experienced collective gains on December 19, with the Dow Jones increasing by 0.14%, the Nasdaq rising by 1.38%, and the S&P 500 up by 0.79% [1] - Large technology stocks saw a broad increase, with Tesla's stock rising by over 3% [1]