SK Hynix is trading 4.54% down at €988.00, amid sector-wide concern after Chinese chipmaker CXMT reported progress on a denser DRAM design. - Coverage linked the development to selling pressure in SK Hynix and other memory-chip makers. - Investors are concerned about future competition and possible pricing pressure. CXMT plans server-memory products using the design by year-end; this is not evidence that the chips have shipped.