Surprise ATC selloff snd stocks down, the work of FTSE? Many blue chips like BVH, DPM, GAS, PVD and REE were sold off in the ATC session sending the VNI down 1.2%. With the exception of GAS, many of the stocks are FTSE constituents which have led the market to speculate that the ETF has started its rebalancing process ahead of the scheduled publication of the index review at the close of business this Friday.