The stock market witnessed a bloodbath on Monday after the decadal high US inflation data reached the market. The market opened at lower levels and remained under pressure all day long. The NSE Nifty 50 opened at 15,877 points from the previous close of 16201.8 points. The Nifty 50 closed at 15,774.4 points, losing 427.4 points or 2.64 per cent during the day.