Asia-Pacific markets traded mixed Tuesday, reversing earlier gains and breaking ranks with Wall Street, which rose on revived optimism about artificial intelligence and growing hopes that the U.S. government shutdown will end soon.

On Monday stateside, Nvidia stocks jumped 5.8% to lead gains on the S&P 500. Other tech stocks rallied, including Google parent Alphabet , which advanced 4%, and Microsoft , which added 1.9% to end its eight-day losing streak.

Japan's benchmark Nikkei 225 index fell 0.14% to close at 50,842.93, while the Topix index gained 0.13% in volatile trading to end at 3,321.58. AI-related stocks on the Nikkei 225 pared gains, with conglomerate SoftBank adding 1.98% to 22,695, and chipmaker Renesas Electron clim

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