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Wall Street ended a volatile week with a shrug on Friday. The S&P 500 edged up 12.74 points, or 0.2%, to close at 7,650.50, but the index still finished the week down 0.1%, its second straight weekly loss. The Dow Jones Industrial Average fell 95.40 points, or 0.2%, to 51,682.64, capping a 1.7% weekly decline, its worst week since March and its third straight weekly loss. The Nasdaq Composite added 104.25 points, or 0.4%, to close at 26,522.55, finishing the week up 0.7%.

Friday’s calm close masked five days of genuine turbulence. The week’s dominant event came Wednesday, when the Federal Reserve raised its benchmark interest rate a quarter point to 3.75% to 4.00%, the first rate hike since July 2023, on a unanimous 12-to-0 vote. The decision’s aftershocks showed up everywhere: the 10-year Treasury yield briefly crossed 5% for the first time in 19 years before settling the week at 4.995%, and the two-year yield closed at its highest level since July 2024 at 4.741%.

That rate anxiety split the market in two. Sectors that live and die on borrowing costs got punished: utilities fell 3.0% for the week, real estate dropped 2.3%, and financials lost 2.4%, according to weekly sector data. On the other side, healthcare rose 1.8%, telecom gained 1.2%, and information technology added 1.1%. The small-cap Russell 2000, which feels rate moves most acutely, fell 1.5% for the week.

For ordinary savers and borrowers, the week’s rate move is not abstract. A federal funds rate of 3.75% to 4.00% flows, with a lag, into the interest on credit cards, auto loans, and new mortgages. It also quietly helps savers: high-yield savings accounts and new certificates of deposit get a little more attractive each time the Fed tightens. Traders have already started betting on what’s next, with federal funds futures pricing roughly a 53% chance of another quarter-point hike at the October meeting.

The week’s standout movers told the story of an economy being reshaped by artificial intelligence. Generac, the backup-generator maker, surged after announcing a long-term supply deal with Amazon for AI data centers, rising 18.3% on Friday alone. Cybersecurity stocks soared as investors rotated out of semiconductors: CrowdStrike posted its best trading day ever, up 20% on Thursday after a strong quarterly report, while Okta jumped nearly 29% the same day, according to market reports. Moderna gained about 15.7% for the week on continued strength from five-year data for its personalized melanoma vaccine.

The pain was concentrated, too. J.B. Hunt warned that third-quarter profits would fall 5% to 10% sequentially as diesel prices surged past $6 a gallon, making it the S&P 500’s worst performer of the week at down 13.68%. Independent power producers sold off after the Trump administration unveiled a plan to push technology companies to effectively fund new power plants: Constellation Energy fell as much as 10%, with Vistra and Talen also sharply lower, per Seeking Alpha’s weekly summary. Steelmakers Nucor and Steel Dynamics both dropped Friday on below-consensus third-quarter guidance, and cable giants Charter and Comcast fell 12% and 10% respectively for the week amid broadband-subscriber worries and the growing Starlink threat.

After the closing bell Friday, merger chatter added one more twist. Paramount shares rose as much as 8.7% in after-hours trading on reports of advanced settlement talks with California and other state attorneys general over its roughly $110 billion bid for Warner Bros. Discovery, with an agreement possibly coming as soon as this weekend. The move followed the FCC’s approval Thursday of a 49.5% foreign ownership stake in the combined company.

There was one quietly hopeful data point amid the rate anxiety: U.S. real median household income hit a record $87,460 in 2025, the highest since the Census Bureau began tracking the figure in 1967. For families trying to keep up with prices that keep climbing, that number matters more than any single day’s market move.

Commodities reflected the week’s crosscurrents. West Texas Intermediate crude fell 0.5% for the week to around $99.49 a barrel, with Brent hovering just above $103, as geopolitical shocks and demand worries traded punches. Gold edged up 0.2% to about $4,415.90 an ounce, continuing to draw buyers looking for shelter.

Next week brings a fresh test: flash purchasing-manager surveys from the U.S., Europe, and the U.K. land Wednesday, a Trump–Xi summit meets Thursday, and Costco reports earnings the same day. But for now, Wall Street heads into the weekend catching its breath after five days that reminded everyone what a rate-hiking cycle feels like.