Once defined by sharp boom-and-bust cycles, the memory business is now delivering consistent profits that would have been improbable just a few years ago, lifting valuations across the sector. Shares in SK Hynix, the leading supplier of high-bandwidth memory or HBM for Nvidia Corp’s AI accelerators, have roughly tripled since the start of September. Samsung Electronics Co, which is trying to catch up with its smaller rival in the market, is slated to report full quarterly results on Thursday (Jan 29).
(Jan 28): SK Hynix Inc reported its strongest quarterly results to date, underscoring the depth of an artificial intelligence wave that’s triggered an unprecedented surge in memory demand.
Operating profit more than doubled to 19.2 trillion won in the December quarter, beating the 16.7 trillion won average of analysts' estimates. Revenue climbed to 32.8 trillion won.

