AI stocks split before the bell as Nvidia gets a fresh memory-supply signal and Microsoft nears earnings
New York, Jan 26, 2026, 06:12 EST — Premarket Nvidia shares climbed in early trading Monday following a Reuters report that Samsung Electronics will begin producing its next-generation high-bandwidth memory chips, HBM4, next month to supply the AI chipmaker. (Reuters) This read-through is crucial since memory poses a tough bottleneck for high-end AI processors: if there isn’t enough fast memory,…