Sensex rises 226 points;
The Sensex rose 226 points to 18,438 and the Nifty advanced 59 points to 5,518.
``The Sensex rose by 226.4 points or 1.3% to 17,618.4 while the Nifty rose to 5,345.4, up 70.2 points or 1.3%. The Sensex has supports at 17,550 and 17,424 and resistances at 17,702 and 17,910. The Nifty spot has supports at 5,310 and 5,280 and resistances at 5,370 and 5,400,`` it added.