MU ▲ +1.8% - Micron Technology, Inc. $MU Micron: Reportedly Doubles HBM Production, Narrowing Gap With Samsung and SK Hynix Micron Technology shares rose 1.8% following reports that the company has doubled its HBM (high-bandwidth memory) production, narrowing its competitive gap with Samsung and SK Hynix in the high-margin memory chip segment. The expansion in HBM output, which is critical for AI and data center applications, positions Micron to capture more market share in a rapidly growing category dominated by its two larger rivals. 04-SEP-2026 05:16 AM ET