Wall Street had its Cinco de Mayo celebration a day early, as the Dow Jones Industrial Average finished the session with a gain of more than 330 points. Investors were excited about what they saw as a Goldilocks-like reading on the U.S. economy in the April employment report, which featured modest job growth, rock-bottom unemployment rates, and slow enough wage growth to quell inflation fears and give the Federal Reserve latitude to raise interest rates more slowly going forward.