Shares of Signet Jewelers (SIG) jumped 6.12% in pre-market trading on Tuesday following the release of its impressive first-quarter fiscal 2026 results and upbeat outlook. The world's largest retailer of diamond jewelry demonstrated resilience in a challenging consumer environment, surpassing analyst expectations.

Signet reported adjusted earnings per share of $1.18 for the first quarter, significantly beating the IBES estimate of $1.03. The company's revenue also exceeded expectations, coming in at $1.54 billion compared to the estimated $1.52 billion. Same-store sales growth of 2.5% highlighted the strength of Signet's offerings across its major brands, including Kay, Zales, and Jared.

Looking ahead, Signet raised its full-year fiscal 2026 guidance, projecting adjusted diluted EPS between $7.70 and $9.38. For the second quarter, the company forecasts total sales between $1.47 billion and $1.51 billion. This positive outlook, coupled with the company's strong performance in a measured consumer environment, has bolstered investor confidence and driven the stock's pre-market surge.