The strengthening Korean won is emerging as a fresh earnings risk for chipmakers, display firms and other electronics companies that rely heavily on dollar-denominated transactions, prompting brokerages to cut earnings estimates for the third quarter. According to data from the Bank of Korea, Sunday, the Korean currency traded at 1,480 won against the dollar on July 16, before strengthening to 1,413 won on Aug. 17 and 1,382 won on Sept. 17. This represents a 6.6 percent narrowing in the dollar-won exchange rate over the two-month period. The change in the dollar-won exchange rate accelerated particularly from August, with the Korean currency gaining value to 1,336 won per dollar on Sept. 9. This prompted brokerages that had based their earnings forecasts at 1,450 won per dollar to begin cutting their estimates, causing the third-quarter earnings consensus for major companies such as Samsung Electronics and SK hynix to drop. According to market tracker FnGuide, brokerages’ consensus on Samsung Electronics’ third-quarter operating profit stood at 122.35 trillion won ($88.27 billion) o