ISLAMABAD    -    PSX witnessed bearish trend on Friday, losing 441.06 points, a negative change of 1.02 percent, closing at 42,591.51 points against 43,032.57 points on the last work­ing day. A total of 265,752,068 shares were traded during the day compared to the trade of 208,115,224 shares the previ­ous day, whereas the price of shares stood at Rs.9.034 billion against Rs.7.783 billion on last trading day.