MOMENTUM/SWING TRADE IN TATA MOTORS JAN FUT STOCK CONSTANTLY TAKING SUPPORT ON 20-DMA CROSSING 50-DMA TODAY(WAIT AND WATCH) RISING 20-DMA+RISING 50-DMA WITH AN OPEN INTEREST BUILT-UP BUY@178.5 (IF CLOSING ABOVE) STOP@174.5 TARGET@184.5 LOT:2000 QTY:1