Super Micro Computer's shares rose approximately 17% following the release of preliminary fourth-quarter results that indicated stronger profitability than anticipated, despite revenue falling near the lower end of guidance. This positive performance had a ripple effect on its server peers, with Dell Technologies and Hewlett Packard Enterprise both gaining over 4%.
Conversely, Pegasystems experienced a sharp decline of more than 14% after its second-quarter results missed Wall Street expectations, reporting adjusted earnings of 35 cents per share, below the anticipated 43 cents.
In the nuclear sector, Oklo and X-Energy saw gains after a report indicated their involvement in a government initiative to accelerate nuclear power development for AI data centers, with X-Energy rising 4% and Oklo up over 3.5%. Rocket Lab's shares increased by 4% following the announcement of a $266 million contract with the U.S. Air Force for launching suborbital vehicles.
On the downside, Cal-Maine Foods reported a surprise loss of 76 cents per share, leading to a drop of over 4.5% in its stock, attributed to historically low egg prices. GE Vernova's shares fell more than 7% despite beating revenue expectations and raising its full-year guidance, while AT&T's stock rose 3% after reporting mixed second-quarter results but exceeding earnings expectations.
Philip Morris International slipped 0.5% after issuing a weaker-than-expected forecast for the third quarter, despite beating earnings and revenue expectations for the second quarter. CME Group's shares increased by 1% after reporting strong earnings and revenue, marking its best first half of the year ever