US Treasury Doubles Bond Buyback Cap as Global Yields Retreat
Traveloasisspot.com – Global bond markets exhaled on Wednesday after Washington announced a significant expansion of its secondary-market operations aimed at longer-dated government debt. The US Treasury confirmed it will raise the ceiling on each buyback session from two billion dollars to at least four billion dollars, a move explicitly framed as a “desire to provide greater liquidity support in longer-dated” securities. The announcement followed a turbulent Tuesday session in which the yield on the 30-year US Treasury note touched its highest level in nineteen years, sending ripples through fixed-income markets worldwide.
The expanded operations will target two maturity bands: the ten-to-twenty-year sector and the twenty-to-thirty-year sector. By roughly doubling the size of each intervention, the Treasury signalled that it views the recent compression in long-end liquidity as a structural concern rather than a transient wobble. The effect was immediate. The ten-year US yield eased to 4.66% by the London equity close on Wednesday, down from 4.72% the previous afternoon, while the thirty-year mark slipped to 5.20% from 5.30%.
London Equities Shake Off Early Jitters
British blue-chip shares absorbed the overnight volatility and finished modestly higher. The FTSE 100 added 15.31 points, or 0.1%, to settle at 10,743.35. The broader FTSE 250 gained 82.09 points (0.3%) to reach 24,643.52, and the AIM All-Share index climbed 7.29 points (0.9%) to 801.54. Gold miners among the FTSE 100 constituents posted outsized gains as the softer dollar lifted the price of bullion.
On the fixed-income side of the Channel, the ten-year gilt yield retreated to 5.05% from 5.08%, and the thirty-year gilt eased to 5.79% from 5.85%, mirroring the relief seen in US markets.
Moderna and Merck Rally on Melanoma Vaccine Data
Wall Street’s most dramatic movers of the day came from the biotech corridor. Moderna shares more than doubled, while Merck jumped 11%, after the two companies disclosed encouraging interim results from a Phase III trial of their experimental melanoma vaccine, intismeran autogene. In a joint statement, the firms said the vaccine produced “statistically significant and clinically meaningful improvements” in skin-cancer patients when administered alongside Merck’s checkpoint-inhibitor drug Keytruda.
JPMorgan analyst Chris Schott highlighted that the companies believe regulatory clearance from the US Food and Drug Administration could arrive as early as 2027. He characterised the positive interim read as adding another potential “multi-billion” product to Merck’s pipeline, with more granular efficacy and safety data expected in the autumn.
Elsewhere on Wall Street, the Dow Jones Industrial Average rose 0.4%, the S&P 500 gained 0.5%, and the Nasdaq Composite added 0.4%. In Europe, sentiment was more muted: the CAC 40 in Paris and the DAX 40 in Frankfurt each closed down 0.1%.
UK Inflation Accelerates but Core Stays Flat
Back in London, investors digested a Consumer Price Index print that came in broadly in line with the FXStreet-cited consensus yet ran ahead of the 2.8% embedded in the Bank of England’s July monetary policy report. The Office for National Statistics reported that CPI rose 2.9% over the twelve months to July, up from 2.6% in June.
Barclays economist Jack Meaning attributed the acceleration to a sharp pick-up in energy and core-goods inflation, partially offset by softening in services and food prices. Energy inflation surged to 9.8% year-on-year in July from 5.7% in June, a jump he linked to the Ofgem price-cap increase that took effect on 1 July. Stripping out energy, food, alcohol, and tobacco, the core CPI rate held steady at 2.6%.
“With the labour market data continuing to look soft, the key risk to the outlook continues to come from developments in the Middle East escalating, rather than domestic dynamics.”
Meaning concluded that the print would not alter the Monetary Policy Committee’s current inflation trajectory, given the persistent weakness in wage growth and hiring data.
Currencies and Commodities
The pound firmed to 1.3608 dollars in the Wednesday afternoon session, up from 1.3539 at Tuesday’s equity close, as the Treasury’s liquidity intervention reduced tail-risk premia. Against the euro, sterling slipped to 1.1669 from 1.1693, while the euro itself strengthened to 1.1662 dollars from 1.1578. The dollar weakened against the yen, trading at 158.46 compared with 159.62 the prior day.
Crude oil held elevated levels as geopolitical risk premium persisted. US President Donald Trump stated he would not extend the sixty-day truce with Iran, dimming hopes for a near-term de-escalation. Brent crude for October delivery traded at 92.40 dollars a barrel in the Wednesday afternoon, up from 91.17 dollars late Tuesday.
Bullion, meanwhile, benefited from the softer dollar and continued safe-haven demand. Gold traded at 4,483.13 dollars an ounce on Wednesday, up from 4,361.38 dollars the previous session, providing a tailwind to precious-metal miners listed in London.
The convergence of a more accommodative US Treasury posture, flat core inflation in Britain, and elevated geopolitical uncertainty created a mixed but broadly constructive backdrop for risk assets on Wednesday, with equities absorbing the day’s headlines without sustained downside pressure.
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