By Amanda Cooper LONDON (Reuters) -Stocks fell on Wednesday, as a selloff in global tech shares dragged down markets from Tokyo to Frankfurt, driving volatility to highs not seen since April and helping underpin safe-haven assets like gold and government bonds. Asia stocks were hit particularly hard overnight, pushing Japan's Nikkei down nearly 7% from Tuesday's record highs at one point, while shares in South Korea plunged as much as 6.2% before clawing back some losses to be down 2.9%. In Europe, tech was the worst-performing sector of the STOXX 600, which dropped 0.2% on the day, while Germany's DAX fell 0.3% and Amsterdam's AEX index, home to Nvidia supplier ASML fell 0.1%. U.S. e-mini futures slid 0.1%, suggesting Tuesday's 1.2% drop for the S&P 500 may continue. STOCKS RETREATING FRO

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