The profit portion of South Korea's tech giant Samsung Electronics Co. among its listed group affiliates declined last year from a year earlier as the smartphone maker reported the weakest earnings in three years, data showed Thursday.
The tech firm -- the flagship unit of the country's top conglomerate, Samsung Group -- posted 25 trillion won (US$22.9 billion) in operating profit for the January-December period of 2014, accounting for 80.9 percent of the combined operating income from 18 listed affiliates in the same year, according to the data by market tracker FnGuide Inc.