Group 1 - The storage sector is experiencing significant gains, with Western Digital (WDC.US) rising over 7%, Seagate Technology (STX.US) up over 4%, Micron Technology (MU.US) increasing over 3%, and SanDisk (SNDK.US) gaining over 1% [1] - Citron Research, a well-known short-selling firm, has announced a short position on SanDisk, warning that the current market conditions are misleading and that the apparent prosperity is merely an illusion [1] - Some market analysts believe that Citron's short-selling logic targets the core issues of cyclical stocks, but the timing may be approximately two years early [1] Group 2 - There is a growing belief that AI-driven structural demand growth may help mitigate traditional cyclical fluctuations in the storage market, suggesting that the current shortages are not entirely illusory [1] - SK Hynix has indicated strong signals during a Goldman Sachs conference call, stating that price increases for storage products are inevitable due to the confluence of AI demand and supply bottlenecks [1] - The company revealed that current DRAM and NAND inventory levels are only about four weeks, with no customers able to fully meet their demand [1]