Key Highlights

  • Third-quarter sales at Sterling Infrastructure (NASDAQ:STRL) climbed 127% to USD 1.56 billion, and the stock finished roughly 15% higher on November 9.
  • A record USD 409.7 million of Revenue at Onto Innovation marked an 87.8% rise, while Sanmina's 84% expansion lifted sales to USD 3.86 billion, helped by AI racks.
  • Preliminary QXO sales reached roughly USD 4.90 billion, a 79% gain driven largely by purchases, and shares advanced around 19%.
  • Delcath Systems lifted revenue by 71% to USD 35.1 million, carrying no Debt and posting an 89% gross margin.

1. Sterling Infrastructure (NASDAQ:STRL)

Of the five, Sterling Infrastructure (NASDAQ:STRL) is expanding fastest. Third-quarter sales hit USD 1.56 billion, a 127% jump, and Earnings Per Share came in at USD 7.58. The 2026 revenue outlook was lifted to USD 4.63 billion through USD 4.73 billion. The firm performs site preparation and infrastructure construction for large developments such as data centers, so its Backlog tracks the AI buildout. On November 9, 2026 the share price ended about 15% higher, one of the top gains among big US names as industrial and tech shares led a wide recovery; a separate reading near midday put the gain at roughly 11.6%. That move recovered some of the prior week's slide. Such speed, however, ties Sterling closely to Data Center investment, which became political after the November 3 votes.

2. Onto Innovation (NYSE:ONTO)

Onto Innovation (NYSE:ONTO) posted a record third-quarter Top Line of USD 409.7 million after the bell on November 9. That figure rose 87.8% from USD 218.2 million and beat the roughly USD 391.8 million that had been expected. Non-GAAP profit reached USD 2.44 a share versus USD 0.92 a year before, whereas the GAAP figure of USD 0.95 was weighed down by a USD 40.8 million unrealized hit tied to its Rigaku holding. Forward figures support staying power: the fourth quarter is pointed at USD 430 million to USD 450 million of revenue, with non-GAAP earnings of USD 2.59 to USD 2.79 a share, full-year growth is projected to top 45%, and the backlog climbed past USD 1.3 billion. The stock had already risen 11.98% to USD 194.04 in regular trading, with extended hours pointing higher. With a backlog exceeding a full year of sales, Onto has the most visible revenue path in the group.

3. Sanmina (NASDAQ:SANM)

Fiscal fourth-quarter sales at Sanmina (NASDAQ:SANM) came to USD 3.86 billion on November 9, a rise of 84% from USD 2.10 billion and better than estimates close to USD 3.48 billion. Non-GAAP earnings of USD 4.43 a share cleared forecasts of around USD 3.19. AI server racks drove the expansion after the ZT Systems integration, so part of the increase reflects added capacity rather than like-for-like growth. For fiscal 2027 the company expects USD 17.5 billion to USD 19.5 billion in revenue and USD 15.50 to USD 17.50 per share in non-GAAP earnings. That guidance implies roughly 27% growth, which is slower yet still robust. In regular trading the stock finished about 11% higher, then climbed roughly 20% to 22% after hours. Guidance points to lower margins in the first quarter, so delivery on large AI programs decides the rally.

4. QXO (NYSE:QXO)

Shares of QXO (NYSE:QXO) jumped roughly 19% on November 9, following preliminary third-quarter net sales near USD 4.90 billion, a 79% climb from USD 2.73 billion. Adjusted EBITDA grew about 85% to USD 557 million, while the Margin inched up to 11.4% from 11.1%. Acquisitions account for most of that expansion, since Kodiak was added on April 1, 2026 and TopBuild on July 1, 2026; the figures therefore do not compare cleanly, and the company has not revealed organic growth. Borrowing costs climbed alongside the purchases: interest expense reached USD 163 million, up from USD 37 million the year before, and the company posted a net loss near USD 123 million. The long-range goal is USD 50 billion in annual revenue within ten years, and the complete report arrives on November 12. Durability hinges on whether the merged operations can keep expanding once the deals are anniversaried.

5. Delcath Systems (NASDAQ:DCTH)

Delcath Systems (NASDAQ:DCTH) climbed about 36% as third-quarter revenue increased 71% to USD 35.1 million from USD 20.6 million, finishing near USD 14.93. Sales of the HEPZATO KIT reached USD 32.7 million, while CHEMOSAT contributed USD 2.4 million, and gross margin widened to 89% from 87%. The expansion is internal rather than bought: HEPZATO volumes grew 72%, and the therapy is now available at 33 active centers. Earnings followed the sales: Net Income reached USD 7.0 million, equal to USD 0.17 per diluted share, adjusted EBITDA hit USD 11.5 million, and Operating Cash Flow totaled USD 8.2 million. With USD 104.3 million of cash and investments and no debt on the books, the company lifted its 2026 revenue outlook to USD 115 million through USD 117 million. Delcath is the smallest name in the group, yet its growth is the most plainly organic, which backs up its staying power.

Where Things Stand

Among these five quick growers, Onto Innovation and Delcath Systems look the most enduring, with revenue expansion in the 71% to 127% band. Onto is supported by a backlog exceeding USD 1.3 billion, while Delcath's 71% rise is organic and turns a profit. Sterling Infrastructure posts the swiftest pace at 127%, although that pace hinges on data center investment. Sanmina and QXO were boosted partly by acquisitions, and Sanmina's fiscal 2027 outlook points to a gentler 27%. Upcoming checkpoints include Onto's fourth-quarter guidance, QXO's complete report due November 12, and Delcath's expansion to additional treatment sites.