Shares at the Pakistan Stock Exchange (PSX) plunged for the second consecutive day on Tuesday on the back of continued political and economic turmoil. The benchmark KSE-100 index closed at 39,832.45 points, down 1138.37 points or 2.78 per cent. The index reached an intraday low of 1,437.79 points, or 3.51pc, around 3pm. According to Arif Habib Limited, the index closed at a five-month low, a