U.S. stock markets closed mixed on February 22nd, despite positive developments in U.S.-Iran de-escalation talks. While the prospect of reduced tensions in the Middle East initially offered some support, major technology companies experienced significant declines, weighing on overall market performance. SpaceX’s large-scale bond issuance contributed to investor concerns regarding the tech sector. The Nasdaq Composite led the losses, impacted by selling pressure in prominent tech stocks. The Dow Jones Industrial Average showed a modest gain, while the S&P 500 ended the day relatively flat. Analysts suggest profit-taking and rising bond yields also played a role in the tech sector’s weakness, offsetting the positive impact of the diplomatic progress.