Nifty and BNF tanked heavily on Wednesday on monthly expiry. But no recovery was seen at the end and selling continued. BNF is at a good support zone and should bounce back from here. If the fall continues we may head towards 41k. Nifty may test 17790 levels which is a solid support before any bounce back. World markets in green so expect a positive opening. It should sustain above 18k for bull run to continue. Have a good trading day. Happy Swing trading