Records continued to tumble at the Pakistan Stock Exchange (PSX), with the benchmark KSE-100 Index gaining over 700 points during the opening minutes of trading on Tuesday. At 10:05am, the benchmark index was hovering at 174,616.32, an increase of 719.98 points or 0.41%. Buying interest was observed in key sectors, including automobile assemblers, cement, commercial banks, fertilisers, oil a