Hopes for a cut in interest rates and for a resolution in the US-Mexico trade dispute are propelling stocks to a higher close Tuesday, the AP reports. The Dow Jones Industrial Average jumped over 500 points, while a rebound in technology shares helped the Nasdaq recover steep losses from Monday. The chairman of the Federal Reserve signaled the central bank could cut rates if multiple US trade conflicts threaten the US economic expansion. Meanwhile, Mexico's foreign minister said he expects his country to make a trade deal with the US and avoid tariffs. Apple gained 3.7% and Microsoft rose 2.8%. Nvidia added 6.9% as chipmakers posted some of the strongest gains. The Dow rose 512 points, or 2.1%, to 25,332. The S&P 500 index added 58 points, or 2.1%, to 2,803 and the Nasdaq gained 194 points, or 2.7%, to 7,527. (More stock market stories.)