The S&P 500 and the Dow each clocked their biggest single-session point gains on record on Wednesday. The S&P 500 (^GSPC) rose 4.96%, or 116.6 points, as of market close. The Dow (^DJI) surged 4.98%, or 1,086.25 points. The Nasdaq (^IXIC) rose 5.84%, or 361.44 points. FULL ARTICLE: Yahoo Finance – BOOM: Stocks soar 5%, Dow adds a record-breaking 1,086 points Stocks surge on Wall Street, with the Dow Jones Industrial Average vaulting more than 1,000 points, its biggest one-day point-gain ever. https://t.co/7P1hqijAdp — The Associated Press (@AP) December 26, 2018 U.S. stocks have their best day in nearly a decade: Dow…