Stocks ended the session at highs even as the Federal Reserve toyed with the possibility of a faster pace of interest rate hikes. The Dow Jones Industrial Average moved within 50 points of its 20,000 milestone at its session high. In meeting minutes, Fed members said that a number of risks might call for a different path of policy than currently expected. The central bank raised its forecasts to three likely rate hikes this year at its December meeting. Weight Watchers (WTW) surged after being consistently ranked as one of the top diets for 2017. U.S. News & World Report ranked the company first in four out of nine categories in its Best Diets list. Oshkosh  (OSK - Get Report)  moved slightly lower after being downgraded to hold from buy at Deutsche Bank. Analysts saw few short-term catalysts for growth that would warrant a higher rating.