KARACHI: Companies listed on stock market posted highest ever quarterly profits of Rs243 billion in the first quarter of this year, up 82 percent year-on-year and 11 percent quarter-on-quarter, a brokerage reported on Monday.Of them, start-run companies saw profit increase 15 percent year-on-year and 33 percent quarter-on-quarter, while privately managed companies’ earnings improved by 119 and 5 percent. Private companies outperformed government companies during the outgoing...