U.S. stocks closed in green territories today after Federal Reserve Chairman Janet Yellen reassured the Fed's plan to reduce its super-easy stimulus. Yellen said markets should expect the central bank to continue to follow the low-interest-rate path laid out by her predecessor, Ben Bernanke. -The S&P 500 Index rose 1.11% to 1819.75 , rising for the fourth straight session -The Dow Jones Industrial Average rose 1.22% to 15994.77 -The NASDAQ Composite rose 1.03% to 4191.05 and is close to erasing losses year-to-date. As of 16:15 p.m. ET Stocks have risen for the past three sessions after testing key technical levels. Still, some analysts are skeptical about calling an end to a correction. Yellen is scheduled to formally deliver her remarks and answer questions from the members of the House Financial Services Committee at 10 a.m. Eastern. In her prepared remarks she said: "Let me emphasize that I expect a great deal of continuity in the Federal Open Market Committee's approach to monetary policy." On Thursday, she will testify before the Senate Banking Committee. Separately, a gauge of optimism among small businesses ticked up in January, led by sales expectations and hiring plans, according to data released Tuesday. Corporate earnings In corporate news, Sprint shares rose 6.9% after the company reported a narrower loss for the fourth quarter. CVS Caremark Corp. shares rose 3% after the drugstore chain posted a rise in profit and forecast 2014 earnings in a range of $4.36 to $4.50 per share. Rackspace Hosting Inc. slid 13% after posting a 30% drop in profit late Monday, as higher costs more than offset growth in revenue. It also said Chief Executive Lanham Napier would retire. Shares in DSW Inc. rallied 3.2% on Tuesday after the company narrowed itsfull-year adjusted earnings guidance as fourth-quarter same-store sales came in flat. It also announced Chief Financial Officer Douglas Probst will retire May 1.