Premarket movers lift quantum stocks, Worthington jumps on outlook

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Premarket movers lift stocks

Highlights

Worthington Enterprises surges 16% premarket after first-quarter adjusted earnings and revenue top LSEG estimates, driven by strong demand for ASME cooling tanks.
Quantum computing stocks rally as IonQ jumps 12% on unveiling the first real-time quantum error decoder, lifting Rigetti Computing, D-Wave Quantum, and Infleqtion by over 5.5%.
Maplebear (Instacart) rises over 3% after adding Meta's AI agent Muse to its grocery platform, expanding its range of integrated AI technologies.

Company updates drive early trading

As reported by CNBC, Worthington Enterprises rises about 16% after management gives an upbeat business outlook and the company posts first-quarter adjusted earnings and revenue above Wall Street estimates, according to LSEG.

CEO Joseph Hayek says Worthington is seeing opportunities across its operations, including rapidly growing demand for its engineered American Society of Mechanical Engineers tanks used in liquid cooling systems for data centers.

KB Home falls more than 1% after forecasting fourth-quarter deliveries below expectations. The homebuilder also says housing gross margins for the current quarter are expected in a range of 16% to 16.6%, below the 17.2% sought by analysts polled by LSEG.

IonQ jumps 12% after saying it has tested what it calls the industry’s first real-time quantum error decoder. The company says the capability enables quantum error correction across operations without slowing execution time.

Sector and platform implications

IonQ’s announcement is also lifting the broader quantum segment in premarket trading Wednesday. Rigetti Computing and D-Wave Quantum both gain more than 5.5%, while Infleqtion rises by a similar amount.

Elsewhere, Six Flags Entertainment adds 1% after The Wall Street Journal reports that activist hedge fund Jana Partners is urging the company to explore a sale, citing people familiar with the matter. The report says the push follows the fund’s disappointment with Six Flags’ second-quarter earnings report.

Maplebear, the parent of Instacart, climbs more than 3% after announcing that customers on its grocery platform will be able to use Meta’s personal AI agent Muse. The partnership expands Instacart’s lineup of AI integrations, alongside OpenAI’s ChatGPT, Anthropic’s Claude and Google’s Gemini.

In our earlier coverage of the OECD’s outlook, we reported that global growth in 2026 is holding up slightly better thanks to heavy investment in AI infrastructure such as data centers and semiconductors, even as energy shocks tied to the Middle East conflict weigh on activity. The OECD also warned that more persistent commodity-price pressures could keep inflation elevated into 2027 and highlighted risks ranging from renewed energy volatility to weaker-than-expected returns on AI spending.

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