Shares at the Pakistan Stock Exchange (PSX) opened the week in green, with the benchmark KSE-100 index gaining 485.96 points. The index closed at 40,155.16 points, up 1.23 per cent. It reached an intraday high of 698.23 points, or 1.76pc, around 10:45am. Analysts attributed the stock market’s rise to the government’s steps to reduce circular debt in the gas sector, including the formation of