Seagate Technology PLC (NASDAQ: STX) shares surged 9.07% in after-hours trading on Wednesday following the company's impressive fiscal third-quarter earnings report and optimistic fourth-quarter guidance. The data storage giant's performance exceeded Wall Street expectations, showcasing strong demand for its products and successful business model enhancements.

For the quarter ended March 28, 2025, Seagate reported adjusted earnings per share of $1.90, significantly surpassing the analyst consensus estimate of $1.74. Revenue for the period reached $2.16 billion, marking a substantial 30.5% increase from the same quarter last year and beating the Wall Street forecast of $2.12 billion. The company's gross margin improved to 35.2%, up from 25.7% in the year-ago period, reflecting enhanced operational efficiency.

Seagate's CEO, Dave Mosley, attributed the strong performance to "structural enhancements we've made to our business model and healthy supply/demand environment for mass capacity storage." The company has benefited from the growing demand for data center storage solutions, particularly driven by artificial intelligence applications. Looking ahead, Seagate provided an upbeat forecast for its fiscal fourth quarter, projecting adjusted earnings per share between $2.20 and $2.60 on revenue ranging from $2.25 billion to $2.55 billion. This guidance exceeded analyst expectations, further fueling investor optimism and contributing to the stock's significant after-hours rally.