The yield on US 10 Year Note Bond Yield eased to 5.24% on September 29, 2026, marking a 0.01 percentage points decrease from the previous session, though over the past month the yield has edged up by 0.48 points and is 1.09 points higher than a year ago. The key 10-year Treasury yield, which influences mortgages, leapt to 5.23% on Friday for its highest level since 2007, in the latest leg higher for the benchmark yield, which earlier this month was trading just below 4.8%.
The renewed inflationary concerns have strengthened expectations of further Fed tightening, with traders now pricing in nearly a 65% probability of a 25bps rate hike next month and a 53% chance of a similar move in December, amid investor bracing for a busy week of key economic releases, including the PCE inflation report and the jobs report. The Federal Reserve raised its benchmark interest rate by 25 basis points to a target range of 3.75%-4%, its first increase since 2023, with updated projections pointing to the possibility of another rate increase this year.
The Reserve Bank of Australia raised its cash rate target by 25 bps to 4.60% in a unanimous September 2026 decision, marking its fourth hike this year and taking borrowing costs to their highest since 2011, with policymakers noting that higher global energy prices following oil supply disruptions amid the broader Middle East conflict, stronger-than-expected recent inflation and persistent domestic capacity constraints are adding to inflation. In recent weeks, the European Central Bank, US Federal Reserve, Bank of Japan and Reserve Bank of New Zealand have all lifted rates, while the latest fighting in the Middle East has also sent crude oil prices higher in recent weeks, which has pushed more inflation around the world via higher fuel prices.
Brent rose to 105.31 USD/Bbl on September 29, 2026, up 0.03% from the previous day, with over the past month Brent's price rising 16.38%, and up 59.50% compared to the same time last year. Iranian officials have reportedly cast doubt on the possibility of reaching an agreement to end hostilities in the Middle East and reopen the Strait of Hormuz before the US midterm elections in November, with recent US-Iran talks in New York producing limited progress after President Donald Trump rejected Tehran's latest proposal to reopen the strategic waterway.
SiMa.ai announced $150 million in Series C financing on September 28, 2026, in an oversubscribed round co-led by Fidelity Management & Research Company and Amplify that values the Physical AI chip startup at $1.45 billion and brings its total capital raised to $500 million. Between 2024 and 2025, the company quadrupled year-over-year revenue growth, and it continues tracking strong upward revenue momentum for 2026, with SiMa.ai's customer and partner network spanning Fortune 500 leaders and specialized technology innovators, including ARK Electronics, AVerMedia, Bosch, Emerson, Intrinsic, Kontron, L&T Technology Services, Micron, STIGA, Synopsys, TRUMPF SE, and Virya Autonomous Technologies.
Certification of Boeing Co.'s long-delayed 737 Max 10 variant will be held up by the Federal Aviation Administration over a new software issue, just as the US planemaker was in the final stages of winning approval to begin deliveries to airlines, with the FAA holding off on certification until it has determined whether or not a recently flagged software concern constitutes a safety of flight issue. The issue, which Boeing flagged last month, could cut off automated landing guidance if pilots have to perform a go-around or attempt a landing again, and Boeing had expected the Max 10, the last of the Max family to get certification, to win FAA approval in the coming weeks.
The global market for Physical AI devices, including robotics, automotive, and drones, is set to explode with cumulative shipments projected to hit 145 million units by 2035, according to Counterpoint Research, fueling SiMa.ai's Series C through global expansion and strong commercial validation with a premier roster of brands, with the company quadrupling year-over-year revenue growth between 2024 and 2025 and continuing tracking strong upward revenue momentum for 2026. In a broader technology landscape marked by AI agent concerns, in the past day AI agents have probed government sites, leaked user images, paused a frontier lab's training run, handed a stranger someone's home address, and pushed Nvidia to put a kill switch in silicon.
Central banks worldwide are tightening in lockstep as inflation persists. The RBA's fourth hike in 2026 and the Fed's signaled expectation of additional rate increases through year-end mean borrowing costs are moving decisively upward across economies. For a small or mid-sized business that carries variable-rate debt, refinances frequently, or plans capital investments, this shift materially affects the cost of growth. Treasury yields above 5% pull investor capital toward safer fixed-income returns, likely tightening venture and private lending markets even as public equity markets digest the shift.
Energy costs remain structurally elevated from the Middle East conflict, adding persistent inflationary pressure. Any business with energy-intensive operations or supply-chain dependencies on petroleum should review hedging and pricing strategies now, before wage-price pressures cement higher inflation expectations. Friday's September jobs report and Wednesday's PCE inflation data will likely move markets further; expect volatility to persist through Q4.