https://www.reuters.com/article/us-samsung-elec-results/samsung-electronics-fourth-quarter-operating-profit-falls-34-dogged-by-chip-market-downturn-idUSKBN1ZT001 >Samsung Electronics Co Ltd said on Thursday its operating profit fell 34% in the October-December quarter, in line with its estimate earlier this month, as the South Korean conglomerate battled a downturn in the memory chip market.