Massive global shifts set the tone for the week. In today's BizNews Daybreak, Alec Hogg unpacks implications for those selling into the world's biggest market - and specifically South Africans companies - after the US Supreme Court's decision to halt President Trump's controversial tariffs; update on the oil price which is hopping on military tensions between the US and Iran; another Anthropic innovation sparks a further stage in the Software Apocalpse; a clear warning to the SA government on handling the new US Ambassador, Brent Bozell III; and how CityMender SA, built by a 23-year-old student, is tracking service delivery issues across 25 municipalities..Sign up for your early morning brew of the BizNews Insider to keep you up to speed with the content that matters. The newsletter will land in your inbox at 5:30am weekdays. Register here.Support South Africa’s bastion of independent journalism, offering balanced insights on investments, business, and the political economy, by joining BizNews Premium. Register here.If you prefer WhatsApp for updates, sign up to the BizNews channel here..Watch here.Listen here.BizNews Reporter.The global landscape is shifting rapidly this Monday, 23 February 2026, as business leaders and legal experts grapple with a landmark US Supreme Court ruling that has thrown President Donald Trump’s trade policy into disarray. On today’s BizNews Daybreak, Alec Hogg and a panel of experts dissected the "messy" fallout of the court’s decision and what it means for everything from South African exporters to the future of cybersecurity. The Tariff tangle: A major legal setbackThe US Supreme Court has delivered a significant blow to the Trump administration by striking down more than half of the tariffs imposed since his return to office. The court ruled that statutes granting the president power during economic emergencies do not extend to the unilateral authority to impose tariffs. While legal experts and businesses view this as a major victory, the transition remains chaotic. Many companies are already preparing to sue the US government for tariff refunds, a process Diane Swonk, chief economist at KPMG, warns will be "very difficult" as procedures are not yet established.Despite this setback, President Trump remains "undeterred". He has already pivoted to Section 122 of the 1974 Trade Act, hiking a new global baseline tariff from 10% to 15%. This provision allows for a 150-day implementation period without congressional approval, though securing a permanent extension from a divided Congress during a midterm election year will be a formidable challenge.South African exporters: Finding the silver liningFor South African businesses, the impact is more nuanced. Local trade expert Donald Mackay notes that while the Supreme Court ruling levels the playing field against South American competitors, South African exporters themselves do not receive refunds; it is the US importer who pays the duty.Crucially, "national security" tariffs on steel, aluminium, and pharmaceuticals remain unaffected by the court case. However, the shift back to standard trade rules makes the African Growth and Opportunity Act (AGOA) relevant again. Under AGOA, South African products can receive duty relief on the 3.5% "most favoured nation" rate, providing a slight competitive edge over other nations paying the full 18.5% combined tariff.AI and the "Software Apocalypse"Beyond trade, the tech sector is facing a fresh wave of disruption. Cybersecurity firms like CrowdStrike and Cloudflare saw their stocks tumble following a new innovation from Anthropic. The AI company has introduced a feature within its Claude model that scans codebases for vulnerabilities and suggests patches—a tool so effective it has sparked fears of a "software apocalypse" for traditional digital security providers. Royal crisis: Prince Andrew’s unprecedented arrestIn the UK, the monarchy is facing its most serious legal crisis in centuries. Prince Andrew (Andrew Mountbatten-Windsor) is under investigation for misconduct in public office. The investigation reportedly involves allegations that, during his time as a trade envoy, he passed confidential documents to Jeffrey Epstein. This marks the first arrest of a monarch's son since 1685, with potential penalties for the charge reaching as high as a life sentence. A Digital Future for Service DeliveryEnding on a more hopeful note, 23-year-old engineering student Keyuren Maharaj has launched CityMenderSA, a national platform for reporting service delivery failures in South Africa. Using "virtual butler" tech, the app allows citizens to log potholes and infrastructure issues in seconds, escalating them directly to municipalities across 25 different regions.