直线上涨！黄金重回4800美元，白银涨超6%，日韩股市高开高走

Group 1 - Spot gold increased to $4,818.45 per ounce, rising 3.42% within the day, while spot silver rose over 6% to $83.944 per ounce [1] - The Nikkei index surged by 2.43%, and the Korean Composite Index rose by 3.78% [3] - SK Hynix's stock increased by nearly 6%, contributing to a rebound in Korean chip stocks after a previous sell-off [5] Group 2 - NAND flash memory manufacturers SK Hynix and SanDisk reported a more than 30% increase in average selling price (ASP) for NAND in their Q4 2025 financial reports [6] - Strong fundamentals in the memory sector are attracting capital that has moved away from precious metals and cryptocurrencies, as indicated by the performance of memory stocks [6]