Aluminum Prices Bullish on Global Supply ConcernsLME aluminum touched a 6-month high by its September 16 close as the price of aluminum broke out of its sideways trend on emerging deficit concerns due to Chinese output nearing its production cap. Aluminum Demand Falls in the United StatesMeanwhile, U.S. tariffs have suppressed U.S. aluminum demand conditions and shifted trade flows. According to the Aluminum Association, North American aluminum demand fell 4.4% during the first half of 2025. Back in April, Goldman Sachs reduced its aluminum price forecast as a result of a weaker economic growth outlook. Aluminum Midwest Premium Reaches New ATHThe Midwest Premium joined the LME aluminum price rally, rising to a new all-time high of $0.7323 per pound.