Japan's key stock indexes closed at all-time highs on Friday, with the Nikkei index ending above the 52,000 line for the first time, boosted by strong tech shares after robust earnings reports released overnight by some U.S. technology companies.The 225-issue Nikkei Stock Average surged 1,085.73 points, or 2.12 percent, from Thursday to 52,411.34, marking a record high close for the third straight trading day and a gain of more than 7,400 points in October, its largest-ever monthly point rise. The broader Topix index finished 31.04 points, or 0.94 percent, higher at 3,331.83.On the top-tier…READ FULL ARTICLE