KOSPI Surges 1.3% to 6,660 as US Rate Hold Bets Fuel Foreign and Institutional Buying

The Quick Take

• KOSPI gained 1.26% to 6,662.49 by mid-morning on September 4 as rising expectations for a US interest rate hold drove broad buying
• Foreign investors and institutions each bought over 100 billion won, while retail investors sold 232.2 billion won
• Hanwha Aerospace reportedly secured a Chunmu rocket artillery export contract with Croatia worth approximately 600 billion won
• Samsung Electronics and SK Hynix buyback activity supported the index through institutional-equivalent buying

The KOSPI rose 1.26% to 6,662.49 by late morning on September 4, driven by increasing market consensus that the US Federal Reserve will hold interest rates at its upcoming meeting. Foreign investors net-bought approximately 119.1 billion won while institutions added 100.8 billion won, offsetting a 232.2 billion won retail sell-off. The index's strength reflects South Korea's dual beta to US monetary policy — a rate hold reduces pressure on the Korean won and improves relative return dynamics for Korean equities versus fixed income, encouraging the foreign reentry seen in the session's data.

Defense sector news provided an additional positive catalyst, with Hanwha Aerospace reportedly finalizing a Chunmu multiple rocket launcher export deal with Croatia worth approximately 600 billion won. This contract extends South Korea's remarkable defense export momentum and positions Hanwha as a consolidating global supplier in the long-range artillery segment alongside its existing deals with Poland, Romania, and Australia. Samsung Electronics and SK Hynix buyback activity served as an implicit index floor, with the corporate buying classified under institutional-equivalent category flows in the session.

Investors should monitor the Federal Reserve's September FOMC meeting outcome as the primary catalyst that will either sustain or reverse the current Korean equity buying momentum. A confirmed rate hold would reinforce the KOSPI's near-term uptrend, while any hawkish surprise would pressure the Korean won and trigger FII outflows. Domestically, Hanwha Aerospace's contract pipeline and Samsung Electronics' next-generation memory chip cycle guidance will serve as bellwethers for the two key pillars of Korean equity market sentiment — defense exports and semiconductor recovery.

Synthesized from 3 sources.