The BSE benchmark Sensex was trading 123 points down at 17,028 points a shortwhile ago. Senex declined by over 84 points in early trade today. The 30-share barometer lost almost 168 points in the last two trading days.Similarly, the broad-based National Stock Exchange Nifty index was also trading 39 points down at 5,149 points. It declined by 25 points in the early trade today.