Group 1 - The precious metals sector experienced a widespread sell-off on February 2, with significant declines in key futures contracts [1] - Main contracts for silver and platinum-palladium hit their daily limit down, with declines of 17% and 16%, respectively, closing at 24,832.00 yuan/kg for silver, 552.15 yuan/g for platinum, and 413.7 yuan/g for palladium [1] - Gold futures also saw a drop of over 11% in the main contract [1] Group 2 - Guosen Futures indicated that the performance of precious metals is closely tied to macroeconomic sentiment in the gold and silver sectors [1] - The nomination of Powell has shaken the narrative of monetary easing, while the CME's tightening of margin requirements has exacerbated liquidity constraints [1] - The outlook for platinum and palladium may remain weak and volatile, suggesting a cautious approach of "watching more and acting less" [1]