South Korea’s retail investors become the lone backstop for chip and memory stocks

While foreign investors were busy dumping Korean chip stocks by the billions, somebody had to catch the falling knife. Turns out that somebody was millions of Korean retail traders, collectively stepping in as the market’s most unlikely safety net. Over the past two months, domestic retail investors in South Korea have emerged as the dominant buying force in chip and memory equities, absorbing sell pressure that might have otherwise cratered prices. The result: the Kospi index rebounded more than 20% from its late-July 2026 lows, officially crossing into technical bull market territory, powered almost entirely by semiconductor strength. Foreign money out, retail money in The scale of the capital rotation is striking. Foreign investors sold nearly $4.3 billion worth of Korean chip stocks in a single week in early August 2026, cutting their positions in Samsung Electronics and SK Hynix to near yearly lows. Around mid-August, domestic individual investors funneled approximately ₩120 billion, roughly $85.6 million, into the Roundhill Memory ETF (DRAM). That’s a US-listed fund focused on memory chipmakers, and Korean retail was its primary demand driver during the period. The appetite f...