Sandisk (SNDK) shares have fallen for four straight sessions, down 8.1% as of 9:50 a.m. ET and 18% this week, after Chinese DRAM maker CXMT announced on Monday a “4F square” technology to boost DRAM storage density and potentially take market share. Trendforce estimates CXMT holds about 9.5% of the global DRAM market, behind Samsung (39.4%), SK Hynix (24.9%) and Micron (23.3%). The article notes that Sandisk makes NAND flash rather than DRAM, so the CXMT news should affect its stock far less than the recent drop suggests. A KeyBanc note cited in the article expects DRAM prices to rise 15% to 20% year over year in Q4 2026 and NAND prices to rise 20%, with high-bandwidth memory prices possibly up 80% to 100% in Q1 2027.
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- Why Is Micron Stock Still Dropping?
Micron shares fell for a fourth straight day on Thursday, after Monday’s report that Chinese DRAM maker CXMT had developed “4F square” technology to boost DRAM storage density. As of 10:35 a.m. ET, the stock was down 2.8% on the day and 13.5% for the week. Trendforce says CXMT holds 9.5% of the global DRAM market, ranking fourth behind Samsung (39.4%), SK Hynix (24.9%) and Micron (23.3%), while DRAM makes up 73% of Micron’s revenue. KeyBanc analyst John Vinh forecasts DRAM prices rising 15% to 20% year over year in Q4 2026 and HBM prices rising 80% to 100% in Q1 2027, while memory makers may cut phone and PC DRAM output by 20% to 30% next year. The article argues CXMT’s chips, “two or three generations” behind Micron, will likely fill the low-end gap, so the threat may be smaller than investors fear.
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