2026-09-19

Nucor Falls 6.3%, Steel Dynamics Drops 4.1% on Weak Q3 Guidance - Why Strong Steel Demand Didn't Stop the Selloff

What Happened

After Thursday's close on September 17, both of America's largest steelmakers issued disappointing news on the same afternoon. Nucor (NYSE: NUE) guided third-quarter 2026 earnings to a range of $5.55 to $5.65 per share, and Steel Dynamics (NASDAQ: STLD) guided to $5.34 to $5.38 per share. Both numbers landed well short of what Wall Street had modeled: Nucor's midpoint of roughly $5.60 came in around 7-9% below the FactSet consensus of about $5.99 to $6.20, while Steel Dynamics' midpoint of $5.36 missed a consensus near $5.66.

The market's initial reaction came in thin after-hours trading Thursday night, with Nucor sliding roughly 4-5% and Steel Dynamics down about 3.4%. By the time Friday's full session closed, the damage had grown: Nucor finished down 6.3% at $248.38, and Steel Dynamics closed off 4.1% at $235.26. For two stocks that had been riding a strong multi-year up-cycle in domestic steel, a single guidance update wiping out billions of dollars in combined market value in about 24 hours was a jarring reminder of how sensitive richly-valued cyclical stocks can be to a number that comes in even modestly below expectations.

What makes this selloff worth examining closely is that neither company was describing a business getting worse. Both guidance releases pointed to record or near-record shipment volumes, rising steel selling prices, and a demand backdrop from nonresidential construction, automotive production, and energy-related projects that both companies characterized as robust. Steel Dynamics separately flagged an additional tailwind of lower expected scrap input costs. Tight domestic supply, ongoing trade protections on imported steel, and low customer inventories all remained supportive. On paper, this was good operating news. The market still sold both stocks off hard, which is exactly the kind of gap between "good" and "good enough" that's worth unpacking.

Why a Guidance "Miss" and a Strengthening Business Aren't a Contradiction

The core mechanism here is a sequential comparison problem, and Nucor's case makes it especially clear. Nucor's second-quarter 2026 results were flattered by two items that will not repeat: a $130 million cash refund tied to prior-period raw material procurement costs, and a $61 million non-cash gain from revaluing its stake in the fusion-energy startup Helion Energy. Strip those two items out, and the "real" operating base that Q3 needs to grow from is meaningfully lower than the headline Q2 EPS number suggested. Guidance that looks like a step down from Q2 on the surface is, once you adjust for the one-timers, actually consistent with the demand and pricing improvements Nucor described. But guidance doesn't come with an asterisk explaining that nuance in the headline number analysts model off of, so the market reacted to the year-over-year and sequential math it could see rather than the adjusted trend underneath it.

There's a second pattern worth noting in how the two stocks moved by different amounts. Nucor's guidance missed consensus by a wider margin (roughly 7-9%) than Steel Dynamics' did (roughly 5-6%), and Nucor's stock fell by more (6.3% versus 4.1%). That's not a coincidence - it's the market doing what it generally does with earnings surprises, pricing the magnitude of a miss rather than simply reacting to the binary fact that a company missed. A guidance cut isn't processed as one uniform "bad" signal; investors and algorithms alike scale their selling roughly to how far the number deviated from what was already priced in.

The most interesting layer, though, is what happened on Wall Street after the numbers came out. Reactions split sharply rather than moving in lockstep with the stock prices. Freedom Broker reissued a Hold rating on Nucor and cut its price target from $305 to $285. Wells Fargo also trimmed its Nucor target, from $285 to $280, but kept an Overweight rating. JPMorgan went the other direction entirely, raising its Nucor price target from $294 to $308 while maintaining Overweight - a firm actively increasing its target on the same day the stock fell 6.3% on a miss. On the Steel Dynamics side, Wells Fargo explicitly stayed "constructive on margin upside" even while trimming near-term numbers to reflect the guidance shortfall. That kind of split framing - some shops cutting numbers on the miss, others treating it as noise inside a still-intact multi-year thesis - tells you the debate about domestic steel's cycle is very much alive. The guidance miss didn't settle anything; it just gave both sides new ammunition.

Context matters here too. This selloff landed in the same week the Federal Reserve delivered its first rate hike in three years, an environment already pressuring rate-sensitive and economically-cyclical sectors like industrials and materials. Steel producers carry heavy fixed costs and are unusually exposed to swings in both financing costs and the broader industrial cycle, so a guidance disappointment landing during a week when the market was already nervous about higher rates likely amplified the stock reaction beyond what the guidance numbers alone would have produced in a calmer week.

What to Take Away From This

  • A "miss" versus consensus doesn't automatically mean the underlying business is weakening. Before reacting to a guidance cut, check whether the prior quarter's results included one-time items - refunds, asset revaluations, tax benefits - that inflate the base a new quarter is being compared against. Nucor's Q2 had two such items worth roughly $191 million combined; adjusting for them changes the picture substantially.
  • The market prices the size of a miss, not just its existence. Nucor's larger percentage shortfall against consensus produced a larger stock decline than Steel Dynamics' smaller shortfall - a useful reminder that "beat or miss" is really a spectrum, and the stock reaction tends to scale with how far off the number actually was.
  • Split analyst reactions after a miss are a signal in themselves. When some firms cut price targets and others raise them on the same disappointing print - as JPMorgan did with Nucor even as Freedom Broker and Wells Fargo trimmed their numbers - it usually means the long-term investment debate isn't settled by one data point, and it's worth reading multiple analyst notes rather than anchoring on the stock's immediate price reaction alone.
  • Cyclical industrials often report during periods of broader market stress, and a guidance disappointment that lands during a week of rate hikes or macro uncertainty can produce an outsized stock move relative to what the same news would do in isolation. Separate the company-specific signal from the macro backdrop before drawing conclusions about a stock's fair value.

FAQ

Why did Nucor and Steel Dynamics stock fall if steel demand is supposedly strong?

Both companies described genuinely strong demand, tight supply, and rising steel prices in their guidance releases. The stocks fell because the specific EPS numbers they guided to came in below what Wall Street analysts had already modeled, and a large part of the shortfall traces back to one-time benefits in Nucor's second-quarter results that will not repeat in the third quarter, making the sequential comparison look weaker than the underlying trend actually is.

What exactly caused Nucor's guidance to look weaker sequentially?

Nucor's second-quarter 2026 earnings included a $130 million cash refund related to prior-period raw material costs and a $61 million non-cash gain from revaluing its investment stake in Helion Energy, a fusion power startup. Neither item is expected to recur in the third quarter, so even though Nucor expects earnings growth in its core steel mills and steel products segments, the reported EPS comparison from Q2 to Q3 looks like a step down.

Did any Wall Street analysts see this pullback as a buying opportunity?

Yes. JPMorgan raised its price target on Nucor from $294 to $308 while keeping an Overweight rating on the same day the stock fell 6.3%, and Wells Fargo said it remained "constructive on margin upside" for Steel Dynamics despite trimming its near-term estimates. That split from firms like Freedom Broker, which cut its Nucor target, suggests the debate over whether this is a temporary air pocket or an early sign of margins peaking is still unresolved on Wall Street.

Related reading: Canada Announces $27.6 Billion in Retaliatory Tariffs on Steel and Aluminum, Dow Futures Jump 349 Points a Day After 631-Point Fed Hike Selloff

Sources

This article is an original synthesis and analysis based on the reporting below, not a reproduction of the original articles. Please check the source articles directly for the most current figures.

⚠️ This article is for informational purposes only and is not investment advice. Market conditions change constantly - always verify the latest data before making investment decisions.