Spot silver extends intraday gains to 2.0%, trading at $67.35/oz.

UBS strategists Gerry Fowler and Sutanya Chedda say European mining stocks are undervalued and stand to gain from an expansion in AI infrastructure. They flag companies supplying base metals needed for AI-related equipment as buy candidates after analyzing market trends, earnings, valuations and sentiment, citing copper- and iron-focused Anglo American as a prime example. UBS has upgraded its mining sector rating to overweight.

道琼斯指数9月22日（周二）开盘上涨145.14点，涨幅0.28%，报52193.97点； 标普500指数9月22日（周二）开盘上涨8.46点，涨幅0.11%，报7773.26点； 纳斯达克综合指数9月22日（周二）开盘上涨60.90点，涨幅0.23%，报27183点。