Korea Exchange Triggered a Market-Wide Circuit Breaker After the KOSPI Fell 8%, Suspending Trading for 20 Minutes

TradingKey - On June 18, Eastern Time, the U.S. officially lifted its naval blockade on Iran, boosting market investment sentiment. The three major indices all closed higher, with technology stocks leading the gains. At the close, the Dow Jones Industrial Average rose 0.14% to 51,564.70 points; the Nasdaq Composite Index gained 1.91% to 26,517.93 points; and the S&P 500 Index rose 1.08% to 7,500.58 points.

Tradingkey - SpaceX (SPCX) is beginning to show signs of cooling down after its strong post-listing rally. Yesterday (June 17), SPCX recorded its first full-session decline since listing, with its share price closing down 4.95% at $191.82, after hitting an intraday low of $187—a pullback of approximately 15% from its previous peak of $225.64. In pre-market trading today, SPCX continued to weaken, slipping over 3% at one point. This indicates that short-term profit-taking is accelerating, and market sentiment has shifted from the previous one-sided chasing of gains to growing divergence.

TradingKey - During the Asian session today (June 18), gold prices (XAU/USD) maintained an intraday rebound, boosted by positive news regarding the potential early signing of a US-Iran agreement. This recovered most of the losses from Wednesday's plunge triggered by the Federal Reserve's hawkish stance, with intraday prices rebounding from Wednesday's low of $4,219 to $4,329.9 at one point. On the technical front, $4,360 represents a key near-term resistance for bulls; only a breakthrough above this level can open up further upside for gold prices.

TradingKey - On June 17, Eastern Time, the Federal Reserve's latest interest rate decision statement indicated that it chose to hold rates steady at this policy meeting, maintaining the federal funds rate in the 3.50%–3.75% range, while keeping the monetary policy framework of ample reserves in the banking system unchanged. The interest rate dot plot released alongside this Fed rate decision sent a clear hawkish signal. The median rate in the dot plot was recorded at 3.8%, a significant upward revision from the March projection of 3.4%.

TradingKey - SpaceX SPCX hit an intraday high of $225.64 on June 16 before pulling back to $205.96. Former Nasdaq CEO Robert Greifeld says SPCX trades on aspiration, not fundamentals. RKLB joins Nasdaq-100 in 5 days. Fib target $222.80.