TOKYO, Feb 12 : Japan's Nikkei share average climbed past the 58,000 mark for the first time on Thursday, extending its scorching rally since Prime Minister Sanae Takaichi won a resounding electoral victory on a campaign of increased economic stimulus. The benchmark Nikkei 225 Index was up 0.4 per cent at 57,874.61 after rising as high as 58,015.08 earlier in the day, as trading resumed after a holiday. So far in 2026, the Nikkei has surged 15 per cent. The broader Topix climbed 0.8 per cent to