Courting Global Tariffs as US GDP Takes a Hit

The Supreme Court ruled the International Emergency Economic Powers Act does not authorize the president’s recent tariffs, overturning duties on Canada, Mexico, China and other 301‑based measures. The decision erased roughly two‑thirds of the $170‑$200 billion revenue collected since the trade war began. In response, the president announced a 10 % global tariff that quickly rose to 15 % under Section 122, a temporary 150‑day measure while a new legal framework is drafted. The abrupt shift leaves exporters, importers and law firms scrambling, and the lack of clarity on refunds or exemptions—especially for Australian beef and wine—creates fertile ground for litigation.

Meanwhile, the macro backdrop shows mixed signals. U.S. fourth‑quarter GDP grew at a 1.4 % annualized pace, well under the 2.8 % consensus, reflecting a government shutdown and weaker private consumption despite a 2.4 % rise in domestic purchases. Core PCE inflation climbed to 3 %, keeping the Federal Reserve’s rate‑cut timeline in question. Yet global PMI surveys remain above the 50‑point growth threshold, with Germany just crossing into expansion and the UK posting strong services activity. Market participants interpreted the tariff news as risk‑on, pushing the Australian dollar to the top of major currencies and lifting consumer‑discretionary stocks such as Lululemon, Amazon and Nvidia.

Investors now watch policy signals closely. The Fed’s AI‑focused conference, with speakers like Chris Waller and Christine Lagarde, will probe whether artificial‑intelligence productivity gains can offset inflation, a debate that could shape monetary stance. In Australia, uncertainty remains over which commodities will be exempt from the 15 % tariff, a factor that could sway the trade balance and corporate earnings. With the EU poised to pause its pending trade deal with the United States, the global trade environment stays volatile. Until the 150‑day window closes and litigation settles, market participants should brace for heightened volatility and sector‑specific risk.