SEOUL Samsung Electronics Thursday reported a 32.5 percent increase in operating profit for the third quarter, driven by rebounding demand for its computer memory chips. The technology giant set a new high in quarterly revenue, which rose nearly 9 percent to 86 trillion won ($60.4 billion) for the July-September period, fueled by increased sales of semiconductor products and mobile phones. Samsung, which has dual strength in both components and finished products, said it expects the demand