Gold prices are sitting at a record high following the Fed's first interest-rate cut and as other central banks around the world loosen monetary policy. Freeport-McMoRan ( FCX) shares surged on Tuesday amid an increase in the prices of copper and gold, two of the main commodities produced by the mining giant.

Tesla shares extend gains, reports say Visa faces a Justice Department antitrust lawsuit, and JD.com stock jumps on fresh stimulus measures in China.

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.

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,