Markets end on a flat note; Nifty below 6,820
Sensex was down three points at 22,762 and the Nifty was down a point at 6,816
 "Markets end on a flat note; Nifty below 6,820")
Markets closed flat with a negative bias after hitting record intra-day highs for second consecutive session. The Sensex was down three points at 22,762 and the Nifty was down a point at 6,816 (provisional).