While investors chased artificial intelligence stocks and cryptocurrency throughout 2025, a commodity fund quietly delivered returns that rivaled the market’s biggest winners. The United States Commodity Index Funds Trust (NYSE:CPER) surged 39% last year, matching NVDA’s performance and more than doubling the S&P 500’s 16% gain. CPER tracks copper futures contracts, providing exposure to the ... Tariffs Pushed CPER Up 39%, Doubling S&P 500 Returns