Nifty 50 breaks below 23K! Monthly expiry may keep volatility elevated | Support, resistance, outlook for Sep 29

New Delhi, Sept. 28 -- The Nifty 50 started Monday's session with a gap-down opening and came under immediate selling pressure. Within the first 15 minutes of trade, the index slipped below the crucial psychological mark of 23,000 and remained under pressure throughout the session. It eventually en…