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Here’s your quick read to start the day: a chatty, no-fuss look at overnight moves, the big story, what’s on the docket, and the tickers you need to watch.


Nandinee Keluskar is an independent financial journalist.
August 25, 2026 at 3:04 AM IST
Global Mood: Cautiously Risk-off
Drivers: US Economic D-Day Sanctions, Iran Vows Retaliation
Asian stock markets traded mixed on Tuesday as concerns over West Asia and elevated oil prices kept investors cautious. South Korea’s Kospi fell 2.96%, the biggest decline among major regional indices, while Japan’s Nikkei 225 slipped 0.87%. Australia’s ASX 200 bucked the trend, rising 0.40%.
The cautious mood followed increased US economic pressure on Iran and its trading partners, with Washington giving countries a timeframe to cut economic ties with Tehran, or face unilateral action. Brent crude remained near $92 a barrel, despite falling more than 2% on Monday, keeping inflation risks in focus. The mixed Asian session followed an uneven Wall Street close, with investors also awaiting Nvidia’s earnings and key US inflation data later this week.
THE BIG STORY
The US unveiled its promised "economic D-Day" against Iran on Monday but stopped short of its most punishing options, warning countries to cut ties with Tehran or risk being expelled from the dollar-based financial system while declining to name targets or timelines. The Treasury sanctioned 60 individuals, entities and vessels — notably excluding the Chinese financial institutions at the heart of Iran's oil trade — and expanded secondary sanctions to five sectors: digital assets, gold, technology, aviation and shipping.
Bessent said a "major announcement" targeting a financial institution was coming by the end of the week, keeping pressure on markets. Iran's economy minister vowed retaliation, saying "enemies should wait for an attack," and the IRGC threatened heavy blows to US vital interests and energy chokepoints.
China said sanctions do not help and vowed to protect its interests, and Iran's economy minister said neither China nor Russia had "accepted" the measures. The deliberate pace of implementation, giving countries a "cure period" to comply before penalties activate, reflects Washington's awareness that moving too aggressively against Chinese banks could torpedo the Trump-Xi summit scheduled for late September and trigger retaliation on critical mineral flows.
Oil fell more than $2 on Monday as markets read the measures as less severe than billed, though investors remained braced for further supply disruption. Nearly six months into a war that has killed thousands, degraded Iran's conventional military, and brought Hormuz shipping to a near standstill, Washington has yet to achieve its core objectives of dismantling Iran's nuclear programme or toppling its clerical rulers, and the state of Iran's nuclear capability remains unknown with UN inspectors shut out since 2025.
Data Spotlight
The Chicago Fed National Activity Index edged down to -0.08 in July from 0.06 in June, with personal consumption and housing contributing a sharp -0.09 points after adding 0.04 points the prior month. The three-month moving average slipped to -0.04 from +0.01, pointing to a modest but broadening softening in US economic activity.
South Korea's Composite Consumer Sentiment Index fell 2.3 points to 104.5 in August, with current domestic economic conditions dropping five points to 79 and future conditions declining three points to 89. Year-ahead inflation expectations held at 2.7%, while three- and five-year expectations were both 2.6%.
German 10-year Bund yields remained above 3.2%, near their highest since March 2011, as investors positioned for an ECB rate hike in September following June's tightening. Oil prices above $90 per barrel and low gas inventories are sustaining inflation pressures, with markets now pricing a 60% chance of the ECB deposit rate reaching 3% by September 2027.
Takeaway: Softening US activity, cooling South Korean consumer sentiment and surging Bund yields point to a global economy navigating persistent inflation and tightening financial conditions. With the ECB widely expected to hike in September and oil prices elevated above $90, West Asia supply disruptions continue to set the tone for monetary policy across major economies.
WHAT HAPPENED OVERNIGHT
US stocks mixed as tech selloff, Iran sanctions threat, and AI data centre backlash weigh on sentiment
US Treasury yields ease slightly but hold near 20-month highs as fiscal and geopolitical pressures persist
Dollar edges up to 99.0 but holds near three-month lows
Oil falls over 2% as markets shrug off new Iran sanctions and book profits after two weekly gains
Day’s Ledger*
Economic Data
Corporate Actions
Policy
Tickers to Watch
Must Read
(*Compiled from various media sources)
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