➀ The storage industry is experiencing a mixed situation with the revival of DRAM and NAND, and the rise of HBM, but the industry's future is not clear and growth has slowed down; ➁ SK Hynix is optimistic about its prospects, having started mass production of 12-layer HBM3E, and is set to supply advanced chips to Nvidia; ➂ Samsung is facing challenges, with its DRAM department lagging behind SK Hynix in HBM technology; ➃ Micron's stock has seen significant fluctuations due to strong AI demand, but it still faces challenges in the HBM market; ➄ Kioxia's future is uncertain due to its ownership by SK Hynix and its failed merger with Western Digital; ➅ Western Digital is considering a split into HDD and NAND/SSD divisions due to the underperformance of its NAND business.