Buying momentum was observed at the Pakistan Stock Exchange (PSX) with the benchmark KSE -100 Index gaining nearly 2,200 points during the opening minutes of trading on Friday. At 9:39am, the benchmark index was hovering at 167,688.60 points up by 2,171.09 points or 1.31%. Moreover, buying was observed in key sectors including chemical, food and personal care products and OMCs. On Thursda