Nifty closed at 22,713 (+0.15%) with Bank Nifty at 51,548 (+0.19%). Nifty support held at 22,500 with resistance at 22,800. Bank Nifty support at 51,400, resistance at 51,700. FII activity was muted. Outlook: cautiously bullish if 22,800 breaks, bearish below 22,500.