03.07.09: Markets ended flat after a volatile trading session. ONGC and GAIL flared up above 7 % each. Markets are likely to be volatile after a lower open. Supports are placed at 4250 & 14375.A break below the support levels will indicate weakness with immediate targets at 4150 & 14000.Resistance is at 4380 & 14750..Overnight U.S Stocks tumbled...  more