Mumbai, Oct. 30 -- Japan's Nikkei 225 Index fell 2.12% to close at 63,290 on Friday, ending a three-day winning streak. The decline was mainly driven by heavy selling in technology stocks, as disappointing earnings and weak outlooks from major global companies raised concerns about the sustainability of the artificial intelligence (AI) boom.

Investor sentiment weakened further after Amazon shares dropped around 7% in after-hours trading following a sharp increase in planned capital spending. Intel shares also plunged 23% after the company issued a weaker-than-expected quarterly outlook and pointed to slowing demand in the personal computer market.

In Japan, investors awaited earnings reports from Kioxia Holdings and Tokyo Electron for f...