(LEAD) Seoul stocks open sharply higher on revived AI optimism, SK hynix earnings

(ATTN: UPDATES with latest details in paras 2, 7-10)SEOUL, Oct. 28 (Yonhap) -- South Korean stocks opened sharply higher Wednesday, tracking overnight gains on Wall Street, as strong artificial intelligence (AI)-driven semiconductor earnings lifted i
Lee warns against 'irresponsible extremism' jeopardizing reforms

SEOUL, Oct. 28 (Yonhap) -- President Lee Jae Myung on Wednesday warned against "irresponsible extremism" that he said is demanding excessive reform, insisting such extremism may jeopardize effective reforms.Lee made the remarks on the soc

Personal data of some 38,000 customers at Daishin Securities leaked

SEOUL, Oct. 28 (Yonhap) -- Personal information of 38,490 customers has been leaked from Daishin Securities, the brokerage said Wednesday.Sensitive information, including names, e-mail addresses and mobile phone numbers, was found to have been leaked

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