Summary The Nikkei 225 at the Tokyo Stock Exchange rose 88.91 points to 20,739.83 by the break.
TOKYO (AFP) - Tokyo s benchmark stock index rose 0.43 percent Tuesday morning, tracking gains on Wall Street on brisk corporate earnings with a weaker yen and oil prices also seen boosting market sentiment.
The Nikkei 225 at the Tokyo Stock Exchange rose 88.91 points to 20,739.83 by the break, while the Topix index of all first-section shares advanced 0.30 percent, or 5.02 points, to 1,667.96.
Overnight in New York, the Nasdaq edged up to a third straight record high as solid earnings from toymaker Hasbro and others kicked off a heavy week of quarterly results.
The tech-rich Nasdaq Composite Index finished at 5,218.86, up 0.17 percent, while the Dow Jones Industrial Average tacked on 0.08 percent to 18,100.41.
"The weaker yen and cheaper oil will have a positive effect on Japanese stocks," Toshihiko Matsuno, chief strategist at SMBC Friend Securities Co. in Tokyo, told Bloomberg News.
In currency trading, the dollar firmed to around five-week highs of 124.33 yen from 124.30 yen in New York late Monday.
The euro fetched $1.0833 and 134.69 yen, slightly up from $1.0824 and 134.55 yen in US trade.
In share trading, Toshiba rose 3.71 percent to 390.8 yen by the break after a team of company-hired investigators confirmed that the firm "systematically" inflated profits over several years.
The stock rose nearly six percent at the open as the report ended months of uncertainty about accounting problems at one of Japan s best-known firms, with top executives expected to resign over the scandal.
On oil markets, US benchmark West Texas Intermediate for August delivery was down 10 cents to $50.05, after briefly dipping to $49.94, and Brent crude for September fell eight cents to $56.57 a barrel in morning Asian trade.
