<p>Tokyo's benchmark Nikkei stock index soared more than seven percent on Tuesday, boosted by a weak yen and aggressive asset-buying from the Bank of Japan.</p>.<p>The Nikkei 225 index rose 7.13 percent, or 1,204.57 points, to close at 18,092.35, while the broader Topix index was up 3.18 percent, or 41.09 points, at 1,333.10.</p>
<p>Tokyo's benchmark Nikkei stock index soared more than seven percent on Tuesday, boosted by a weak yen and aggressive asset-buying from the Bank of Japan.</p>.<p>The Nikkei 225 index rose 7.13 percent, or 1,204.57 points, to close at 18,092.35, while the broader Topix index was up 3.18 percent, or 41.09 points, at 1,333.10.</p>