Korean Stocks Rally Again Overnight. KOSPI Closes Up 2.41% As SK Hynix and Samsung Rally. - 24/7 Wall St.

The Korean stock market rebounded sharply, with the KOSPI closing up 2.41% on Friday, ending a seven-week losing streak and posting a weekly gain of 11.5%. The rally was driven by memory chip leaders ... Read original →

SanDisk's investor day revelations triggered a sharp market rally, with its projected 80% gross margin and 75% operating margin model reshaping investor sentiment toward NAND flash. This revaluation directly boosted SK Hynix’s NAND arm, reportedly preparing for a Nasdaq listing. The move signals broader industry confidence, as NAND-specific signals now influence DRAM and HBM markets. Technologically, EUV and HBM advancements continue to drive performance gains, while geopolitical tensions tighten global supply chains, especially amid U.S.-China tech decoupling. Competitors like Micron and Western Digital are likely to accelerate strategic consolidations to secure enterprise SSD market share. Over the next 12–24 months, the memory sector is poised for renewed capital investment, particularly driven by AI compute demands and the growing importance of high-bandwidth memory and advanced process nodes.