RIYADH: Al-Dawaa Medical Services Co.’s shares tumbled 1.1 percent in Wednesday’s trading session after the pharma chain operator posted lower annual profits. Shares of the firm, which reported its first annual earnings since going public two weeks ago, reached SR74.3 ($20). Earlier in the day, Al-Dawaa announced a decline in profit from SR246 million to SR239 million even as revenues grew 1.5 percent year-on-year. The company made a strong debut on the Kingdom’s stock exchange earlier this month, with shares soaring to SR78.6, implying a market cap of $1.8 billion.