Japan's Nikkei index tumbled to a one-week low after a streak of all-time high gains, as investors decided to cash in on profits. The pullback was broad-based, primarily driven by declining AI and semiconductor stocks that had previously led the surge. Analysts warn the market was overheating, hinting at an inevitable correction, although some defensive stocks managed to perform well during this downturn.

Japan's Nikkei index tumbled to a one-week low after a streak of all-time high gains, as investors decided to cash in on profits. The pullback was broad-based, primarily driven by…

The Nikkei index in Japan fell for a consecutive second day amid worries about potential interest rate increases by the US Federal Reserve and uncertainties in AI sector…