Markets Reopen to Oil Near $100 and a Deeper Trade War

U.S. markets came back from the long Labor Day weekend to a rough Tuesday, with stocks lower as a fresh round of U.S.-Iran strikes pushed oil back toward $100 a barrel. Canada's retaliatory tariffs on American goods took effect at the same time, turning a months-long trade fight into real costs on both sides of the border. The one bright spot was chips, where a new Qualcomm-Amazon deal lifted the companies building the plumbing for artificial intelligence.

Fast Facts

• Meta launched "Muse," a personal AI agent app offered free or by subscription at $20 or $100 a month, even as the company faces fresh scrutiny over privacy and safety (Read More)
• GE Aerospace agreed to buy the castings maker Consolidated Precision Products for $11.75 billion to bring more jet-engine parts in-house (Read More)
• Marvell shares have climbed 241% over the past year, a run the chipmaker's CEO credited to customer trust (Read More)
• Novartis's experimental cholesterol drug failed a late-stage trial, pulling Amgen, Ionis and Sarepta lower and making health care the day's weakest sector (Read More)
• LIV Golf, the Saudi-backed league, filed for Chapter 11 bankruptcy, a court process for reorganizing debts, under a plan that could hand players majority ownership (Read More)
• The Trump administration told Ford it has "profound concern" about the automaker's ties to Chinese companies and questioned its strategic direction (Read More)

Global News

• China pledged $54 billion to shore up its state banks and insurers, but investors judged the sum too small and the shares fell anyway (Read More)
• China's exports and imports both missed forecasts in August, adding pressure on Beijing to lean more on its own consumers for growth (Read More)
• Copper hit a record on the London Metal Exchange as traders braced for possible U.S. tariffs on the metal next year (Read More)
• A global government-bond sell-off deepened, with borrowing costs rising across several countries on worries about inflation and public debt (Read More)

Oil Pushes Back Toward $100 as the U.S. and Iran Trade New Strikes

Markets returned from the long weekend to a fresh escalation between the U.S. and Iran. Iran said it struck American-linked vessels and oil tankers near the Strait of Hormuz, the narrow shipping lane that carries a large share of the world's seaborne oil, in retaliation for earlier U.S. strikes; Iran-backed Houthi forces separately hit Saudi energy sites, wounding more than 70 people by early reports. Brent crude, the main international oil price, settled near $98 a barrel after touching about $99 during the day, its highest of the conflict and just short of the $100 level it had not seen since July.

U.S. stocks fell across the board. The Dow dropped 628 points, or 1.18%; the S&P 500 lost 0.58%; and the Nasdaq slipped 0.32%. Energy was one of the few sectors to gain, while health care was the day's worst after a large drug-trial failure. The 10-year Treasury note, whose yield is roughly what the U.S. government pays to borrow for a decade, pushed toward its highest in about two decades; it last closed at 4.78% on Friday, the most recent figure the Treasury has published, and traded higher still during Tuesday's session as investors weighed the inflation risk that rising oil tends to bring.

Here is why a conflict thousands of miles away reaches an American paycheck and 401(k). Higher oil feeds into gasoline, shipping and almost anything made or moved with energy, which raises the risk of a fresh burst of inflation. When investors expect more inflation, they expect the Federal Reserve, the U.S. central bank that sets short-term interest rates, to keep rates higher for longer, and they demand more yield to hold bonds. Higher yields make the future profits that stock prices are built on worth less today, which is one reason shares fell even as crude climbed. The most direct version of that chain is the one drivers feel first: a lasting move in crude usually reaches the gas pump within a few weeks, so a family filling a 15-gallon tank feels a jump in oil long before it ever thinks about a Treasury yield.

The conflict has been the market's central worry for two weeks, and prices have swung with each headline; oil actually gave back part of its gain later in the session. What would change the picture is a real move toward de-escalation, or evidence that the disruption to actual oil shipments is smaller than feared. For now the market is trading the risk of $100 oil, not yet its confirmed arrival.

Sources: CNBC on the Hormuz strikes · WSJ on oil near $100 · TheStreet market wrap · Rapunzl, our Sept 2 briefing

Canada's Retaliatory Tariffs Take Effect, and the Trade War Turns Concrete

Just after midnight, Canada's retaliatory tariffs on American goods took effect, doubling the duty on U.S. steel and aluminum to 50% and covering about CA$27.6 billion, roughly US$20 billion, of products. A tariff is a tax a country charges on goods coming in from abroad. The move answered tariffs the U.S. had already placed on a similar value of Canadian goods after trade talks collapsed last month. Within hours President Trump escalated again, saying the U.S. would ban imports of some Canadian alcohol, dairy and large motorcycles starting Sept. 29, and threatening to bar the planemaker Bombardier from the U.S. market unless it builds aircraft on American soil, which sent Bombardier's stock lower.

This is the point where a trade fight stops being a headline and starts being a cost. Unlike most taxes, a tariff is usually paid in part by companies on both sides of the border, through pricier parts and materials, thinner profit margins, or lost sales when a product becomes too expensive to sell abroad. That is why the dispute is now turning up in individual stock prices, like Bombardier's, and not only in trade statistics.

For a household, the cost of a trade war rarely arrives as one line on a receipt. It shows up scattered across the price of a car, an appliance or even a can of soda whose metal, parts or ingredients crossed the border on the way to being made. With duties now as high as 50% on steel and aluminum, two of the most widely used industrial materials there are, economists expect at least some of that added cost to reach store shelves over the coming months, and companies have already begun warning investors about thinner margins.

Sources: CNBC on the tariffs · Axios on the import bans · MarketWatch on Bombardier

Qualcomm Gives Amazon a $4 Billion Stake in a Bet on AI Chips

Qualcomm, best known for smartphone chips, gave Amazon the right to buy about $4 billion of Qualcomm stock, roughly 25 million shares at $161.26 each, as part of a deal to design custom chips for Amazon's cloud data centers. The arrangement uses warrants, which are contracts that let the holder buy shares at a set price later, so Amazon's payoff grows if Qualcomm's stock does. Qualcomm shares closed up about 3%, and the news lifted other chip and equipment makers, including Corning, Intel and AMD.

The deal matters beyond the two companies because of what it signals about the AI build-out. Qualcomm is trying to break into the data-center chip market that Nvidia dominates, and by tying Amazon's reward to Qualcomm's share price rather than writing a one-time order, the two are signaling a partnership meant to last across several generations of chips. For a market that has spent the summer debating whether AI spending has run ahead of itself, a big customer taking an equity-linked stake in a supplier reads as a vote of confidence. That confidence is fragile, and the same market would treat a canceled order or a slipped chip generation as a warning; on Tuesday, though, the reaction was positive, and it came on a day when almost everything else on the screen was red.

Sources: CNBC on the deal · MarketWatch on Qualcomm's stock

What To Watch

The rest of the week is busy. On Wednesday, Chewy, SailPoint, Signet Jewelers and American Eagle Outfitters are all scheduled to report earnings.

Thursday is the bigger day. Oracle and Adobe are expected to report after the close; analysts' average estimate, what the market calls consensus, is about $1.40 in earnings per share for Oracle, up from $1.20 a year earlier, and about $4.86 for Adobe, up from $4.29. The European Central Bank is widely expected to raise its key interest rate the same day, a decision to watch for how central banks outside the U.S. are reading the same oil-driven inflation risk. Watch, too, whether Tuesday's chip rally carries into Oracle's report, since Oracle's stock has lately traded as much on sentiment about AI-cloud demand as on its own results.

Further out, the Federal Reserve meets Sept. 15-16. Its target range for the federal funds rate, the short-term rate it controls, has been 3.50% to 3.75% since December. The next U.S. inflation reading, due later this week, is the last major data point before that meeting, and it will shape whether the debate tilts toward holding rates steady or, with oil climbing, leaning the other way.