TOKYO: Tokyo stocks rose on Friday morning after Japanese inflation data showing prices falling in April bolstered hopes of extra Bank of Japan stimulus measures. The benchmark Nikkei 225 index at the Tokyo Stock Exchange climbed 0.44 per cent, or 73.86 points, to 16,846.32 by the break, while the broader Topix index of all first-section shares gained 0.52 per cent, or 6.95 points, to 1,349.82.