NANO Nuclear Energy Inc.'s stock surged 5.56% in after-hours trading following the release of its second quarter Fiscal Year 2026 financial results and business update.

The company reported a quarterly loss of $0.18 per share, beating analyst estimates of a $0.20 loss by 10%. This represents a significant 68.42% improvement compared to losses of $0.57 per share in the same period last year. Additionally, the company's net loss narrowed substantially to $9.2 million, a 62.15% improvement from the previous year.

Beyond the financial performance, NANO Nuclear highlighted several key business developments including the submission of a Construction Permit Application for its KRONOS MMR system to the U.S. Nuclear Regulatory Commission, growing strategic partnerships, and maintaining robust liquidity of approximately $569 million. These positive developments collectively contributed to investor optimism during the after-hours session.