Stocks remained up sharply but off their session highs in early-afternoon action Wednesday, as investors cheered a federal budget deal that has averted the fiscal cliff. The Nasdaq rose 2.3% after being up nearly 2.9%. The S&P 500 gained 1.8%, while the Dow Jones industrial average tacked on 1.7%. Volume continued to track up significantly across the board. In the IBD 50 lineup, Ellie Mae (ELLI), PolyOne (POL), Taiwan Semiconductor (TSM) and Ulta