The BSE Sensex slumped over 223 points and the NSE Nifty slipped below the 9,900-mark in early trade today as realty, metal and banking stocks fell amid weak global cues on lingering worries about North Korea. The rupee depreciating by 12 paise to 64.24 against the dollar in early trade had a bearing on market sentiment.The BSE 30-share barometer dropped by 223 points to 31,586. All sectoral indices led by realty, healhcare, metal and banking were in the red.The NSE Nifty was trading down by 69 points at 9,882.