Japan's Nikkei extends weekly slide as tech shares track Wall Street declines

Tokyo's Nikkei index plummeted Friday, mirroring Wall Street's tech stock decline amid AI valuation worries after Nvidia's results. Japanese investors also eyed a looming holiday and government stimulus, sparking fiscal concerns. The yen weakened, and bond yields neared highs. Advantest and SoftBank Group saw significant drops, while M3 and Obayashi gained.