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Wall Street ends week lower despite daily gains amid bond, Iran concerns

Major US stock indices posted daily gains but suffered weekly declines as investors grappled with rising bond yields and geopolitical tensions. The S&P 500 and Nasdaq snapped three-week winning streaks, while the Dow Jones Industrial Average marked its second consecutive weekly loss.

LSN Malaysia · 21 August 2026

Wall Street ends week lower despite daily gains amid bond, Iran concerns

US equity markets delivered a mixed performance, with indices rising during the trading session but closing the week in negative territory as investors reassessed their positions amid mounting concerns over bond market movements and international tensions.

The S&P 500 and the technology-focused Nasdaq index both ended their three-week rallies, while the Dow Jones Industrial Average extended its losing streak to a second consecutive week. The divergence between daily and weekly performances underscores the volatile backdrop influencing market sentiment across the week's trading sessions.

Rising bond yields emerged as a key factor weighing on sentiment, particularly affecting growth-oriented sectors that have benefited from lower interest rate expectations. Simultaneously, geopolitical developments in Iran captured investor attention, adding another layer of uncertainty to market calculations as traders weighed the potential implications for global stability and energy markets.

The pullback follows an extended period of market strength, suggesting investors are taking profits and repositioning ahead of potentially significant economic data and international developments. Market participants remain focused on the trajectory of US Treasury yields and ongoing geopolitical developments as they determine near-term trading direction.