Oman's Port Services Corp (PSC) has posted a 20.3% growth in net profit for the six-month period ended June 30, 2013, on increased vessel and cargo handling, Muscat Daily has reported. Net profit rose to OR3.64m for the first half of 2013 from OR3.03m in the same period last year, the company said. PSC said increased economic activity in the country has resulted in a 9.3% increase in volumes of imported cargo. The number of containers handled rose 9.5% over last year. The volume of exports fell 1.2%.