A nice start for the bulls today, but the toughest levels still lie ahead. The Nasdaq (first chart below) faces tough resistance at 2156-2160 and 2170, and support is 2133, 2128 and 2110. The Dow (second chart) has support at 10,538, 10,520 and 10,500, and resistance is 10,580, 10,640 and 10,690-10,720. The S&P (third chart) faces resistance at 1230 and 1242-1246, and support is 1223-1226, 1220 and 1210-1212.