Most Read from BloombergThat hasn't been enough for some global investors like Pictet Asset Management, Robeco and Eastspring Investments to step back in. Overlooked during the boom, it now forces investors to demand bigger safety margins before adding exposure. Valuations and prospects of the two AI‑chip leaders may no longer suffice for funds to justify buying every dip. Global funds have withdrawn a net $12 billion this month, and are rethinking how to handle the fluctuations. Robeco acknowledges Korea's valuations have come down to attractive levels, but also remains wary of volatility.