Key Takeaways Shares of mining giant Freeport-McMoRan surged alongside an uptick in copper and gold prices.The announcement of an economic stimulus package in China helped to their highest level in more than two months.

Shares of Freeport-McMoRan Inc. FCX rallied 1.37% to $45.14 Monday, on what proved to be an all-around positive trading session for the stock market, with the S&P 500 Index SPX rising 0.28% to 5,718.57 and the Dow Jones Industrial Average DJIA rising 0.

Key Takeaways Major U.S. stock indexes were slightly higher at midday Tuesday, as U.S.-traded shares of Chinese companies rose after Beijing unveiled a stimulus package to boost China's economy.Nvidia shares climbed as Morgan Stanley analysts said the chipmaker is seeing strong demand for its Hopper and Blackwell GPUs.

Freeport McMoRan (NYSE:FCX) +7.1% in Tuesday's trading, surging to the top of the S&P 500 leaderboard, as China's new stimulus measures announced in support of its economy and equity markets are lifting commodities of all kinds,

The stock's fall snapped a nine-day winning streak.