Samsung Electronics and SK Hynix shares crashed more than 7% in Thursday morning trading as semiconductor stocks face widening pressure originating from Wall Street.
The selloff reflects a broader rout in chip equities that started with declines among U.S. semiconductor manufacturers and has now spread to South Korean memory chip producers. Samsung and SK Hynix dominate the global DRAM and NAND flash memory markets, making their stock movements a barometer for the entire semiconductor sector.
Memory chip prices have come under pressure from oversupply conditions and weakening demand across data centers and consumer electronics. The South Korean firms derive substantial revenue from supplying chips to major technology companies including Apple and cloud providers like Amazon Web Services and Microsoft Azure.
The 7% drop is substantial for blue-chip semiconductor stocks and signals investor concern about margin compression in the memory chip business. Both companies face headwinds from slowing global economic growth and inventory corrections across the technology supply chain. Data center spending, a key driver for high-margin memory chips, has shown signs of moderation despite artificial intelligence demand.
SK Hynix reported earlier this year that it operated at a loss due to weak memory prices, particularly in DRAM. Samsung's semiconductor division, while more diversified than SK Hynix, also relies heavily on memory chip revenues. Neither company has announced new earnings guidance to offset market concerns about the cyclical downturn.
The contagion from U.S. chip stocks to South Korean manufacturers demonstrates how tightly integrated global semiconductor supply chains have become. When American semiconductor equipment makers and chipmakers like Broadcom or Qualcomm report weakness, it immediately triggers reassessment of demand from their suppliers and partners in Asia.
Investors in Samsung and SK Hynix should monitor upcoming memory chip price data and quarterly guidance from major chip customers. Any signs of inventory buildup at cloud providers or smartphone makers could accelerate further losses in memory chip stocks.