The Nasdaq (first chart below) held important support for the second straight day today — its uptrend line from late April. That critical trendline will be at 2150-2151 on Tuesday (2160 is first support), and resistance is 2186 and 2200-2220. The S&P (second chart) has support at 1223-1226 and 1220, and resistance is 1240 and 1244-1265. The Dow (third chart) has support at 10,525-10,560, and resistance is 10,720.