The bearish trend prevails in Karachi Stock Exchange (KSE) on Thursday as benchmark KSE 100-Index shed more than 100 points to plunge at 7170 points level. Market pundits attributed this bout of pessimism in the market to deteriorating law and order situation in metropolis, despite positive monetary results produced by different companies. The number of sellers has been increased, however, there is shortage of buyers in the market.