Stocks Soar, Dow Up 322

Stocks had their best day in more than a week today, with the Dow jumping a whopping 322 points, while the Nasdaq and S&P gained 101 and 39 points respectively. Investors are betting that the Federal Reserve will heap more stimulus on the economy this week, Bloomberg reports, while a market analyst tells MarketWatch that the rally should be chalked up to “a shift in investor psychology.” (Read more stock market stories.)