SEOUL (Reuters) - Shares in Samsung Electronics Co Ltd rose 4.5 percent after the market opened in Seoul on Tuesday, as analysts expected the tech giant to announce record profits in memory chips for the July-September quarter.
Samsung shares marked their biggest intraday percentage gain since October 2016 as of 0009 GMT.
Shares in SK Hynix Inc , the world's second-largest memory chip maker after Samsung Electronics, also jumped as much as 4.3 percent, their biggest intraday percentage gain since Aug. 14.
(Reporting by Joyce Lee and Dahee Kim; Editing by Sam Holmes)
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