Key TakeawaysMajor U.S. equity indexes posted gains Friday following Federal Reserve Chair Kevin Warsh’s address at the Jackson Hole Economic Symposium.Warsh expressed worries about inflation remaining elevated, causing September rate hike probabilities to surge to 55.7% from 35.4% a day earlier.Treasury yields showed mixed movement: the 2-year climbed to 4.3%, while 10-year and 30-year yields experienced modest declines.Technology equities maintained strength, buoyed by Nvidia’s optimistic AI-driven forecast from the previous session.Salesforce recorded its strongest single-day performance since 2020, alleviating worries about enterprise software demand.U.S. equities finished Friday’s trading session higher as investors parsed through Federal Reserve Chair Kevin Warsh’s inaugural Jackson Hole appearance since assuming leadership. Each of the three primary indexes closed with gains.The Dow Jones Industrial Average advanced approximately 0.37%, the S&P 500 increased 0.49%, and the Nasdaq Composite rose 0.57%, extending Thursday’s technology-sector momentum.E-Mini S&P 500 Sep 26 (ES=F)Warsh Adopts Hawkish Stance on Monetary PolicyDuring his Jackson Hole presentation, Warsh emphasized persistent concerns regarding inflation remaining stubbornly above the Federal Reserve’s established target. Market participants interpreted his commentary as hawkish, signaling potential openness to further interest rate increases.FED WARSH AT JACKSON HOLE (Summary):On policy:• He gave no timetable for a rate hike and said the speech should not be viewed as forward guidance or a formal reaction function• Short-term interest rates remain the Fed’s main policy tool• A “good majority” at the July… pic.twitter.com/pUZUOUa0Lj— Wall St Engine (@wallstengine) August 28, 2026Market reaction was immediate and significant. Based on the CME FedWatch Tool, the likelihood of a rate increase during the September 15-16 Federal Open Market Committee gathering surged to 55.7%. This represented a substantial jump from the previous day’s reading of 35.4%.Meanwhile, the probability of rates remaining unchanged through the end of the year plummeted from 25.9% to 14.8%.According to Peter Boockvar, chief investment officer at One Point BFG Wealth Partners, Warsh effectively articulated his analytical framework for approaching future monetary policy determinations.While Federal Reserve policymakers had exhibited division regarding rate policy prior to Jackson Hole, Warsh’s remarks provided greater clarity on the central bank’s focus areas, though some uncertainty persists.Bond Market Adjusts to New Rate ExpectationsFixed-income markets responded to Warsh’s commentary with notable yield movements. The 2-year Treasury yield advanced to 4.3%, while the 10-year yield retreated to 4.67% and the 30-year yield declined to 5.16%.Earlier this month, longer-duration yields had reached multiyear peaks amid mounting concerns regarding persistent inflation and escalating federal debt levels.Technology Sector Maintains Momentum Following Nvidia RallyThursday’s trading had already provided significant support for equities, primarily driven by Nvidia. The semiconductor manufacturer delivered an encouraging long-term forecast centered on artificial intelligence demand, which reinvigorated investor enthusiasm for AI-related investments.This positive sentiment extended into Friday’s session, with technology stocks holding steady despite elevated rate hike expectations.Salesforce delivered an exceptional Thursday performance, achieving its largest single-day percentage gain since 2020. The rally followed the company’s successful effort to counter market concerns about weakening demand in the enterprise software sector.Friday’s calendar featured no significant corporate earnings releases. The University of Michigan released its consumer sentiment data during the session, offering insight into current economic perceptions among American consumers.Despite renewed uncertainty surrounding the Federal Reserve’s interest rate trajectory following Warsh’s address, equity markets concluded the week with positive returns.The post Fed Chair Warsh’s Jackson Hole Remarks Fuel September Rate Hike Speculation appeared first on Blockonomi.