AdvertisementAdvertisementBusiness10 Jun 2026 03:07PM (Updated: 10 Jun 2026 03:10PM) Bookmark Bookmark WhatsApp Telegram Facebook Twitter Email LinkedInAdd CNA as a trusted source to help Google better understand and surface our content in search results.Read a summary of this article on FAST.Get bite-sized news via a newcards interface. Give it a try.Click here to return to FAST Tap here to return to FASTFAST SEOUL, June 10 : Leveraged stock investments by South Korean retail investors have reached their limits set at local brokerage firms as the country's world-beating stock market rally stretches borrowing capacity, a think tank said on Wednesday."There are caps at each brokerage firm, which are being strictly regulated. The caps have been reached at each brokerage firm, so it is difficult for retail investors to borrow more from brokerage firms for investment," President of the Korea Capital Market Institute Kim Sei-wan told press conference.The KOSPI has risen 83 per cent so far this year, after rising 76 per cent last year, emerging as the world's best performer in an AI-driven rally and drawing huge inflows of retail investment in domestic chipmaker stocks such as Samsung Electronics and SK Hynix.Retail investments in the KOSPI have reached 79 trillion won ($51.8 billion) so far this year, leading the rally in the benchmark index, even as foreigners sold 124 trillion won of shares for profit-taking. Last year, retail investors sold 26 trillion won of KOSPI shares.Show MoreShow LessBorrowed investments by retail investors in the KOSPI market stood at a record 29 trillion won as of Tuesday, up 71 per cent from 17 trillion won at the end of 2025, according to data from the Korea Financial Investment Association.($1 = 1,524.6900 won)Source: ReutersNewsletterWeek in ReviewSubscribe to our Chief Editor’s Week in ReviewOur chief editor shares analysis and picks of the week's biggest news every Saturday.Sign up for our newslettersGet our pick of top stories and thought-provoking articles in your inboxSubscribe hereGet the CNA appStay updated with notifications for breaking news and our best storiesDownload hereGet WhatsApp alertsJoin our channel for the top reads for the day on your preferred chat appJoin hereAlso worth readingContent is loading...Expand to read the full storyGet bite-sized news via a newcards interface. Give it a try.Click here to return to FAST Tap here to return to FASTFAST