NVIDIA CEO Jensen Huang cut the HBM configuration of its next-generation flagship GPU, Rubin Ultra, on August 7, reducing mainstream models from 12-Hi (around 384GB) to 8-Hi 192GB, nearly halving per-card memory. The GPU die count fell from 4-die to 2-die, and power consumption dropped from 2300W to 1800W. Following the news, SK Hynix's US-listed ADR fell 4.97% the same day, and its South Korean stock dropped by more than 10% the next day. SanDisk, a NAND seller, was also dragged down. Two days before NVIDIA's announcement, SanDisk reported its strongest financial results ever: fourth-quarter fiscal 2026 revenue reached 8.97 billion US dollars, surging 372% year on year and 51% quarter on quarter, about 7% above market expectations. Non-GAAP earnings per share hit 39.25 US dollars, 14% higher than analysts' forecasts. SanDisk posted a net profit of 6.9 billion US dollars for the quarter and a full-year net profit of 11.4 billion US dollars, a 797% year-on-year increase. The company announced a 14-billion-US-dollar share repurchase program, with gross margin at 83% to 85%. Despite this, its after-hours share price once fell by more than 8