Stocks rose on Wednesday as the market tried to reclaim record highs in the final days of 2020.The Dow Jones Industrial Average gained 184 points, or 0.6%. The S&P 500 climbed 0.4% along with the Nasdaq Composite.Disney and Caterpillar rose 2.6% each to lead the Dow higher. Energy was the best-performing sector in the S&P 500, jumping 1.6%.Wednesday’s move higher came after a British regulator approved a coronavirus vaccine developed by the University of Oxford and AstraZeneca for emergency use. The approval followed the discovery of a new Covid strain in the U.K., which has also been confirmed in the U.S. …