Equity markets ended flat on Monday. Inflationary concerns post US Senate’s approving of a $1.9 trillion stimulus bill and a sharp jump in Brent crude oil price concerned the markets. The BSE Sensex ended at 50,441.07, up 35.75 points or 0.07%. The Nifty closed at 14,962.20, up 24.10 points or 0.16%.