On July 29, SK hynix rose 4.88% overnight, trading at 135.92 USD/share, with turnover of approximately 16.23 million USD. The stock had initially dropped over 5% after Q2 revenue and operating profit missed elevated market expectations, before staging a sharp reversal.

On the earnings front, SK hynix reported Q2 net profit of 93.92 trillion KRW, up 1240.8% year-over-year, marking its best single-quarter performance in history. Revenue reached 79.32 trillion KRW, with first-half cumulative revenue surpassing 100 trillion KRW for the first time. DRAM average selling prices rose approximately 30% quarter-over-quarter, driven by robust AI infrastructure demand.

Critically, the company disclosed that HBM4 entered mass production and shipment in Q2, with plans to significantly expand supply in the second half. HBM4E samples have also been delivered to customers. SK hynix announced long-term chip supply agreements signed with 10 customers, featuring differentiated pricing mechanisms designed to mitigate price volatility. The company is also evaluating additional shareholder return measures. Analysts noted that despite the top-line miss, the firm's dominant position in AI memory and accelerating HBM4 volumes underpin the rapid recovery.

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