Asian shares mixed as AI concerns weigh on markets

Asian shares traded mixed early Friday as concerns about artificial intelligence grew following Alphabet's stock drop that dragged on US markets. Japan's Nikkei 225 fell 2.6 percent to 62,960.60, while South Korea's Kospi declined 5.4 percent. The Bank of Japan is concluding a two-day policy meeting, with analysts expecting no action after last month's rate hike to 1.25 percent. The US dollar weakened to 157.50 yen, while Australia's S&P/ASX 200 rose 0.5 percent and Hong Kong's Hang Seng added 1.2 percent. Alphabet's Class A shares fell 12.6 percent, their worst day in over 20 years, contributing to the Nasdaq's 1.4 percent drop. US crude oil gained 2.80 percent to $104.86 a barrel, and the 10-year Treasury yield fell to 4.94 percent.