The current market price (CMP) of the stock is 162.40... sell at CMP or some price as specified by the analyst with a target of 149 and stop-loss of 164. This type of trading is called short selling. Here you sell first and buy back later at target or when you want to book the profit or when the stop-loss gets hit. In India, generally short selling is intraday process (though there are provisions to keep your positions short overnight).