Stocks gave back Friday's rally as the 10-year yield touched its highest level since 2007

Monday undid most of what Friday built. After a session that snapped a three-week losing streak for the Dow, U.S. stocks spent the first day of the new week retreating, and the selling had a single organizing principle: the bond market kept repricing how much more the Federal Reserve is going to do.

The S&P 500 closed at 7,683.69, down 0.77% on the day, according to closing index data. The Dow Jones Industrial Average finished at 51,481.51, off 0.67%, and the Nasdaq Composite ended at 26,820.38, down 0.92%. Reuters had the three indexes down 0.74%, 0.83% and 0.99% at late morning, so the afternoon was slightly kinder than the open, but not enough to change the color of the tape. The Cboe Volatility Index rose about 8% to 16.07, still historically calm, and still the biggest one-day jump in weeks.

The 10-year did something it has not done since 2007

The number that set the tone came from Treasuries. The 10-year yield climbed to 5.274% during the session, its highest level since June 2007, FXStreet reported, before easing back toward 5.24% into the close. That is up from roughly 5.18% at Friday's settlement and from 5.00% two Fridays ago.

What makes this particular climb unusual is the company it is keeping. Short-dated yields are rising too. The two-year note, the maturity most tightly bound to the next few Fed meetings, has moved up toward the high 4.80s, and FXStreet put the 10-year's premium over the two-year as low as 17 basis points on Monday. When that spread compresses while both ends rise, the market is not pricing a growth scare. It is pricing a central bank that may not be finished tightening.

Federal Reserve Governor Lisa Cook added to that impression in remarks Monday, flagging continued inflationary pressure in the months ahead from artificial-intelligence-related demand and from Middle East hostilities. Futures markets responded in kind. Estimates of the odds of a quarter-point hike at the October 27-28 meeting clustered between roughly 65% and 70% depending on the snapshot and the vendor: CME FedWatch data cited by two outlets showed 64.8% in Asian-hours trading and 70.3% later in the day, while Prime Terminal data quoted by FXStreet put it at 65%. Pricing for December is firmer still, with FXStreet citing 94% odds of at least one hike by then.

Oil settled up, but far below where it opened

The trigger for all of this sits in the energy market. Over the weekend President Donald Trump rejected Iran's seven-day proposal to reopen the Strait of Hormuz, and crude gapped higher on the Asian open. Brent traded above $108 at one point and WTI approached $96, according to quote snapshots published during Asian and European hours.

By the New York settlement most of that was gone. Reuters reported Brent settled up 96 cents, or 0.9%, at $105.28 a barrel, and WTI up 19 cents, or 0.2%, at $92.60, after Qatari mediators pledged to bring both sides back to the table this week. Prices had been more than $4 higher earlier in the day.

The spread between the two benchmarks is the detail worth carrying into Tuesday. Reuters noted the Brent premium over WTI closed at its widest since May for the third time in four sessions, a gap being pulled open by talk in Washington of restricting diesel exports after record-high distillate prices. A U.S. crude benchmark that trades this far below the global one is a market betting that American barrels get stuck at home.

Gold sold off with bonds, not against them

Precious metals took the hardest single hit. Spot gold fell about 3% to roughly $4,150 an ounce, its lowest level since Aug. 5 according to Reuters, and silver dropped more than 4% to about $61.50. The mechanism behind a higher-oil, higher-yield, lower-gold day is straightforward: gold pays no coupon, so when an oil shock pushes the market to price more Fed tightening rather than more inflation tolerance, real yields rise and the cost of holding a non-yielding asset rises with them. A firmer dollar added a second headwind.

Underneath the indexes, a very uneven day

The index-level declines hid much larger single-stock moves. MongoDB fell more than 18% after its chief executive left for Meta. Boeing dropped nearly 7% on a disclosed 737 Max software issue. Kodiak Sciences nearly tripled on Phase 3 eye-treatment data. Nvidia went the other way, closing up 1.68% at $228.86 after announcing a $150 billion increase to its buyback authorization.

What carries into Tuesday

Three things. First, the calendar: the August personal consumption expenditures price index, the Fed's preferred inflation gauge, is due Wednesday morning, and the September jobs report follows Friday. With October hike odds near two-thirds, either release can move the whole curve.

Second, the Qatari mediation. A credible path to reopening Hormuz would take a large premium out of crude, and by extension out of the inflation math driving yields. A second breakdown would put Brent's move above $108 back on the table.

Third, the flattening curve itself. A 17-basis-point gap between the two-year and the 10-year is close to the line where the curve inverts, a configuration that has historically accompanied a Fed at or near the end of a tightening cycle. Whether that is what the market means this time is the argument that will run through the rest of the week.