Micron Technology shares plunged over 13% Tuesday, with some reports citing a 14% decline, as a sharp selloff in South Korea's KOSPI index dragged down memory chip rivals SK Hynix and Samsung. The drop erased billions from Micron's market capitalization just days before the company is set to report third-quarter earnings.
The rout in Korean semiconductor stocks stemmed from broader market jitters, though specific catalysts remained unclear. Both SK Hynix and Samsung are major players in the high-bandwidth memory market, a segment where Micron also competes aggressively. The selloff underscores the interconnected nature of the global memory chip trade.
Source articles differed on the exact magnitude of the decline, with Barron's reporting both a 13% and 14% fall across its coverage. The stock had been hitting new highs heading into earnings, making the sudden reversal particularly stark. Analysts have noted that Micron's earnings have never looked better, with data center demand driving record revenue.
Investors now face a pivotal moment. Some traders, as noted by Investopedia, were already pricing in large moves after the earnings report. The juxtaposition of record earnings expectations and a steep pre-earnings selloff raises questions about whether the dip presents a buying opportunity or signals deeper sectoral concerns.
A cautious view emerged from Trefis, which advised: 'Start worrying.' The firm pointed to peak-cycle risks, suggesting that even strong near-term demand may not insulate Micron from a broader industry downturn.