Toward the end of trading Wednesday, the Dow traded up 0.04 percent to 14,455.05 while the NASDAQ gained 0.05 percent to 3,243.76. The S&P also rose, gaining 0.11 percent to 1,554.32. Index Technicals: The S&P seems to have found support at 1,550 yesterday with overhead resistance set at 1,556.50, and lower support