TOKYO - The Nikkei stock index closed with its largest single-day point gain in history on Tuesday, soaring over 3,200 points as shares drew widespread buying after the previous day's record plunge.The sharp rebound, also helped by a weaker yen, came after global stock markets plunged Monday as U.S. recession fears grew due to a recent batch of disappointing economic data, prompting investors to seek safe-haven bonds.The 225-issue Nikkei Stock Average ended up 3,217.04 points, or 10.23 percent, from Monday at 34,675.46, exceeding the previous day-on-day point gain record of 2,676.55 registe…READ FULL ARTICLE