This Tech-Heavy Index Just Had Its Best Month Since the 1990s -- WSJ

Dow Jones01-30

By WSJ Staff

24%

-- That's how much South Korea's benchmark index rose in January, the largest monthly gain since December 1998.

-- The Kospi index edged up Friday to close at its 19th record high of the month.

-- The world's largest memory-chip makers, Samsung Electronics and SK Hynix, together make up about one-third of the Kospi, and have driven the rally.

-- Shares in Nvidia supplier SK Hynix jumped 5.6% on Friday. Samsung shares edged lower.

-- The Kospi's rally continued this week despite President Trump vowing to hike tariffs on South Korean exports back to 25%.

This item is part of a Wall Street Journal live coverage event. The full stream can be found by searching P/WSJL (WSJ Live Coverage).

(END) Dow Jones Newswires

January 30, 2026 09:03 ET (14:03 GMT)

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The full stream can be found by searching P/WSJL (WSJ Live Coverage). \n</p>\n<p>\n  (END) Dow Jones Newswires\n</p>\n<p>\n  January 30, 2026 09:03 ET (14:03 GMT)\n</p>\n<p>\n  Copyright (c) 2026 Dow Jones &amp; Company, Inc.\n</p>\n</font>\n\n</article>\n</div>\n</body>\n</html>\n","isBrief":false,"type":0,"news_type":1,"symbol":"SSNHZ","symbol_name":"Samsung Electronics Co., Ltd.","start_time":0,"source_url":"https://dowjonesnews.com/newdjn/logon.aspx?AL=N","article_id":"2607460450","we_media_id":"106","thumbnails":[],"rights":null,"url":"https://stock-news.laohu8.com/highlight/detail?id=2607460450","pubTimestamp":1769781780,"columns":[],"sourceInfo":null,"weMediaInfo":{"media_name":"Dow Jones","introduction":"Dow Jones publishes the world’s most trusted business news and financial information in a variety of media.","home_visible":0,"id":"106","head_image":"https://static.tigerbbs.com/150f88aa4d182df19190059f4a365e99"},"summary":"-- That's how much South Korea's benchmark index rose in January, the largest monthly gain since December 1998.-- The Kospi index edged up Friday to close at its 19th record high of the month.-- The world's largest memory-chip makers, Samsung Electronics and SK Hynix, together make up about one-third of the Kospi, and have driven the rally.-- Shares in Nvidia supplier SK Hynix jumped 5.6% on Friday. 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The full stream can be found by searching P/WSJL (WSJ Live Coverage). \n\n\n  (END) Dow Jones Newswires\n\n\n  January 30, 2026 09:03 ET (14:03 GMT)\n\n\n  Copyright (c) 2026 Dow Jones & Company, Inc.","kind":"highlight","is_publish_news":true,"is_publish_highlight":false,"is_publish_live":false,"is_publish_wemedia":null,"editions":null,"column":"","sentiment":"1","news_tag":"","news_rank":0,"symbols":[],"gpt_button":0,"need_auth":true,"code":"91000000","status":"200"},"commentList":[],"isCommentEnd":true,"newsSizeData":{"likeSize":0,"commentSize":0,"repostSize":0,"favoriteSize":0,"likeStatus":false,"favoriteStatus":false},"APP":{"userAgent":"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)","isDev":false,"isTTM":true,"tenantId":"TBGLOBAL","deviceId":"web-server-community-laohu8-v3","version":"4.36.2","shortVersion":"4.36.2","platform":"web","vendor":"web","appName":"ttm","isIOS":false,"isAndroid":false,"isTiger":false,"isTHS":false,"isWeiXin":false,"isWeiXinMini":false,"isWeiBo":false,"isQQ":false,"isBaiduSwan":false,"isBaiduBox":false,"isDingTalk":false,"isToutiao":false,"isOnePlus":false,"isHuaWei":false,"isXiaomi":false,"isXiaomiWebView":false,"isOppo":false,"isVivo":false,"isSamsung":false,"isMobile":false},"href":"/m/news/2607460450","isCrawlerRequest":true}