* KOSPI rises, foreigners net buyers

* Korean won weakens against U.S. dollar

* South Korea benchmark bond yield rises

* For the midday report, please click

SEOUL, Sept 13 (Reuters) - Round-up of South Korean financial markets:

** South Korean shares ended nearly flat on Monday, as earlier losses due to inflation fears were offset by foreign buying, while investors awaited U.S. inflation data and next week's Federal Reserve meeting. The won fell, while the benchmark bond yield rose.

** The KOSPI ended up 2.10 points, or 0.07%, at 3,127.86, following a 0.36% gain clocked in the previous session.

** Among heavyweights, chipmakers Samsung Electronics and SK Hynix rose 1.33% and 1.43%, respectively, while platform giant Kakao fell 4.23%.

** Foreigners were net buyers of 139.5 billion won ($118.64 million) worth of shares on the main board.

** Friday's data showed U.S. producer prices increased solidly in August, indicating that high inflation is likely to persist for a while, with supply chains remaining tight as the pandemic drags on.

** Investors are eyeing the U.S. consumer prices data on Tuesday, which is expected to show core inflation easing, while retail sales data on Thursday could show another decline.

** Federal Open Market Committee is scheduled to meet on Sept. 21-22, with investors pondering the timing of a tapering of Federal Reserve's bond-buying programme.

** The won ended at 1,176.0 per dollar on the onshore settlement platform, 0.59% lower than its previous close at 1,169.1.

** In offshore trading, the won was quoted at 1,175.7 per dollar, down 0.5% from the previous day, while in non-deliverable forward trading its one-month contract was quoted at 1,176.2.

** In money and debt markets, September futures on three-year treasury bonds fell 0.05 points to 110.17.

** The most liquid 3-year Korean treasury bond yield rose by 1.7 basis points to 1.519%, while the benchmark 10-year yield rose by 1.9 basis points to 2.027%. ($1 = 1,175.8100 won) (Reporting by Joori Roh; Editing by Rashmi Aich)