Published October 31, 2026 Updated about 3 hours ago By Reuters TOKYO: Japan’s Nikkei share average dropped as much as 3 percent on Friday, led by chip-related stocks, as concerns mounted over the sustainability of spending to fund the AI boom. Tokyo tracked overnight losses on Wall Street, given additional impetus by late earnings from Amazon.com and Intel that showed massive cash burns, sending shares of those companies and their peers sharply lower in extended trading. The Nikkei sank 2.1 percent to 63,290.11 as of the close of trading, after earlier slumping 3 percent, led lower by chip equipment heavyweights Advantest and…