Stocks surged at the open, as better-than-expected earnings buoyed hopes that the economy is ready for a comeback, the Wall Street Journal reports. The Dow was up 71 points, while the S&P and Nasdaq rose 8 and 20 points, respectively. Earnings reports have been surprisingly good this quarter; about two-thirds of the S&P 500 companies that have reported have beaten estimates. (More stock market stories.)