SK Hynix, the world's second-biggest memory chip maker, reported record quarterly profit for the July-September period as the high demand of smartphones and boosted the company's earnings. The firm said shipments of DRAM chips used mainly in personal computers rose 7 percent from the previous period, while its average selling price held steady. Shipments for NAND chips climbed 26 percent although their average price fell 2 percent.

The South Korean firm reported an operating profit of 1.3 trillion won ($1.24 billion). Revenue grew 5.6 percent from a year earlier to 4.3 trillion won, also a quarterly record with growth in every product group.