The Nikkei stock index closed at a record high on Tuesday, surging by over 2,000 points, with investors backing the proposed economic measures of Japan's ruling Liberal Democratic Party ahead of this weekend's general election.The benchmark index logged its fifth-largest point gain in history to renew the record closing high for the first time in around three weeks.The 225-issue Nikkei Stock Average advanced 2,065.48 points, or 3.92 percent, from Monday to 54,720.66. The broader Topix index finished 109.71 points, or 3.10 percent, higher at 3,645.84.Stocks climbed across the board, led by n…READ FULL ARTICLE