TOKYO - Tokyo stocks ended down Monday, with the Nikkei index plunging over 2 percent at one point, as concerns grew over the global economic outlook following the weekend launch of U.S. and Israeli strikes on Iran.

The 225-issue Nikkei Stock Average ended down 793.03 points, or 1.35 percent, from Friday at 58,057.24. The broader Topix index finished 40.26 points, or 1.02 percent, lower at 3,898.42.

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