Key Highlights

● The stock climbed to $659.70 in after-hours trading on Thursday.

● No Earnings report, announcement or analyst action was found to explain the move.

● Caterpillar plunged to its worst day since March 2020 earlier in the session.

● Friday's open will show whether the extended-hours gain holds.

Deere (NYSE:DE) jumped to $659.70 in after-hours trading on Thursday, according to market data, despite no company-specific news being found to explain the move on an evening dominated by Big Tech earnings.

An extended-hours mystery

Deere, the maker of farm, construction and forestry machinery, climbed to $659.70 in after-hours trading on October 29, according to the same data. The move was a notable one for a large industrial company in extended trading.

No company-specific news was found to explain the gain. No earnings report, announcement, analyst action or other catalyst tied to the company was identified for the day.

After-hours trading often takes place on thin volume, which can exaggerate price swings. Moves in extended sessions frequently shift by the time regular trading resumes the next morning, so Friday's open will provide a clearer picture of whether the gain holds.

A rough day for heavy equipment

The evening move came after a turbulent regular session for machinery stocks. Caterpillar (NYSE:CAT), Deere's closest large-cap peer in construction equipment, plunged to its worst day since March 2020 after its third-quarter results. Caterpillar beat earnings estimates, but investors worried about slowing growth in its record Backlog of about $78 billion, and the stock now sits far below its June peak.

No link was found between Deere's after-hours climb and Caterpillar's results. But the contrast underscores how sentiment toward the heavy-equipment sector was being tested on Thursday.

A split market

The broader regular session was a study in contrasts. The S&P 500 fell 23.59 points to 7,720.39, its first decline in four sessions, while the Dow slipped 132.54 points to 52,342.56 and the Nasdaq Composite tumbled 365.13 points to 26,184.72. Alphabet (NASDAQ:GOOGL)'s worst day since its 2004 IPO, which erased about $500 billion of market value, accounted for much of the decline.

Underneath, the market was broadly positive. More than 400 S&P 500 stocks rose, the Russell 2000 gained 28.71 points to 2,859.22, and NYSE advancers led decliners by 1.95 to 1. One market strategist said, "Money is rotating within the market rather than leaving it."

After the bell, attention swung to megacap earnings. Amazon (NASDAQ:AMZN) fell sharply in extended trading after its fourth-quarter Revenue guidance disappointed, and Intel (NASDAQ:INTC) plunged on weak guidance. Nasdaq-100 futures slid in the evening, while Dow futures edged up, according to market reports.

The macro backdrop for equipment makers

Economic data released Thursday morning showed third-quarter GDP growing faster than expected and accelerating from the second quarter, with Business Investment particularly strong. That kind of Capital spending can support Demand for machinery.

However, Inflation remains hot. September PCE inflation ran above the prior month's pace, and the Federal Reserve, which held rates steady on Wednesday, may raise rates again in December, according to futures pricing. Higher borrowing costs can weigh on farmers' and contractors' willingness to finance expensive equipment purchases.

Commodity markets also matter for Deere's farm customers. Oil remains elevated, with WTI settling at $102.00 a barrel, raising fuel and input costs for agriculture.

What to watch

Friday's regular session will show whether Deere's after-hours gain holds. Without a clear catalyst, the move may be reversed or extended depending on broader market sentiment and any news that emerges.

Investors will also watch for updates on farm incomes, crop prices and construction activity, all of which influence demand for Deere's equipment. The company's next Quarterly Report and any guidance on the 2027 farm equipment cycle will be the next major company-specific tests.