US stocks reached new records on Tuesday, led by gains in Nvidia. A weak consumer confidence reading caused indexes to briefly drop early morning. Emerging market stocks notched their highest level in two years on China's stimulus plan. US stocks kept up their winning streak on Tuesday, with indexes pushing higher to new records.

Consumers hold the keys to the U.S. economy now that the Federal Reserve has started cutting interest rates. That's the view of Lauren Goodwin, economist and chief market strategist at New York Life Investments,