Karachi, The Chemical sector at the Pakistan Stock Exchange saw a slight decline in its index, falling from 25,431.35 to 25,199.07, a reduction of 232.28 points. The sector traded 9,274,138 shares, with a value of Rs. 177,222,551.61. According to information available from the Pakistan Stock Exchange (PSX), the sector contributes 5.455% to the overall market capitalization and 1.587% to the total capital traded.