Yesterday's positive sentiment carried over to today's ATO session, which helped the market to open at its peak of 573. However, this attractive price point triggered a small wave of profit taking transactions, which led the index to close flat. The VN-Index gained only 0.04% to close at 570.39 while the HNX actually declined 0.12% to 79.29. Yesterday's major gainers all corrected today. Large cap banks BID (-0.5%) and VCB (-0.2%);