The Sensex opened with a positive gap of 58 points at 13,236, but could not go further up as selling pressure in early trades forced the index slip into the negative zone.Significant amount of profit-taking in banking and technology stocks saw the index slip to a low of 13,075 - down 161 points from the day's open. Fresh buying in FMCG and metal stocks in late noon trades helped the index recoup losses and rebound into the positive zone.The Sensex finally ended on a flat note at 13,190 - up 12 points.
