Bulls took the driving seat at the Pakistan Stock Exchange (PSX) on Tuesday as the market surged to new highs following approval of $1.3 billion in loan tranches under two different programmes by the International Monetary Fund (IMF). The benchmark KSE-100 index rose 1,153 points, or 0.69%, to reach an all-time high at 169,456. Support came from consistent stock buying by local mutual funds and