TOKYO, July 26 (Xinhua) -- Japan's Nikkei stock index rose on Monday, as a weaker yen against the dollar boosted investors' sentiment.

The benchmark Nikkei-225 index gained 72.70 points, or 0.77 percent, from Friday to finish at 9,503.66, the highest closing level since July 15.

The broader Topix index of all First Section issues on the Tokyo Stock Exchange was up 4.59 points, or 0.55 percent, to 845. 88.

Trading volume on the main section came to 1,302.13 million shares, down from Friday's 1,963.39 million.

The TSE's Second Section index gained 7.59 points, or 0.36 percent, to 2,138.62 on a volume of 15.04 million shares. On the Osaka Securities Exchange, the near-term September Nikkei 225 index futures contract was up 50 points to 9,490.