Shares of online luxury retailer Mytheresa (MYTE) soared 8% in pre-market trading on Tuesday following its impressive fiscal Q2 2025 earnings report.

Mytheresa reported a 13.4% year-over-year increase in net sales to €223.0 million for the quarter ended December 31, 2024. This was driven by double-digit growth in the U.S. market and continued strength in its high-spending customer segment.

Despite macroeconomic headwinds, the company's adjusted EBITDA jumped 114.8% to €16.2 million, with an adjusted EBITDA margin of 7.3%, reflecting operational efficiency improvements. Gross profit margin also expanded by 110 basis points to 50.9%.

The strong results demonstrate Mytheresa's ability to gain market share in the luxury segment and capitalize on growth opportunities through its customer-centric business model and strategic initiatives such as expanding its fine jewelry offering and exclusive brand collaborations.