KARACHI: Pakistan Stock Exchange (PSX) on Monday extended its upward trajectory from the previous week as investors took cue from the election of a new prime minister and upbeat economic data. In the morning, trading began on a robust note, supported by the shrinking of trade deficit by 30.2% year-on-year (YoY) to $14.87 billion for July-February 2023-24 and the fall in the Consumer Price Index