Global stock markets experienced significant volatility on Friday, mirroring Wall Street’s sharp decline, as investors grappled with concerns over a potential bubble in artificial intelligence (AI)-related shares and mixed economic signals. Major benchmarks across Asia, Europe, and the U.S. erased previous gains, reflecting heightened market skittishness. The U.S. Federal Reserve’s reluctance to cut interest rates in December, fueled by stronger-than-expected jobs data, further dampened investor sentiment.