Business PakistanKSE 100 index up by 55.66pointsManzar TurkFebruary 1, 2012February 2, 2012 by Manzar TurkFebruary 1, 2012February 2, 2012 Karachi: The Karachi Stock Exchange’s 100 index increased by 55.66 points on Wednesday mainly due to local investors’ interest in selective stocks. The index closed...