In the two weeks since the Muhurat Day trading on October 17, the sensex has lost nearly 8%, or 1,340 points, to its current level of 15,896. This huge slide has also made the last fortnight the worst for the sensex in the post-Diwali trading period in 10 years. To a large extent, this loss is attributed to selling by foreign institutions while buying by the domestic ones have given it some cushio