Wednesday was a good day on Wall Street, as market participants reacted favorably to congressional testimony from Fed chair Janet Yellen. The central banker told House representatives that the economy has the strength to handle the interest rate increases that the Fed has already made, but she also signaled that future hikes might be fewer and further between than investors were anticipating. The Dow finished the day with a gain of 123 points, and the S&P 500 and Nasdaq were up 0.73% and 1.1%, respectively.