Investors are sitting in the hall of Pakistan Stock Exchange in Karachi. — AFP/FileKARACHI: Stocks plunged by around 3.3 per cent on Monday amid a crash in the global equity markets, as the US tariff war raised concerns over a global recession. The Pakistan Stock Exchange halted trading for a brief period while the index witnessed the highest-ever intra-day decline in one day. The market closed with a loss of around Rs474.225 billion.Trading was temporarily halted after an initial 5.0 per...