CSTL vs RYI Comparison

Castle Biosciences Inc is a molecular diagnostics company. The group provides test solutions for the diagnosis and treatment of dermatologic cancers, Barrett's esophagus (BE), and uveal melanoma. The product portfolio of the company includes DecisionDx-Melanoma, a risk stratification gene expression profile (GEP) test; DecisionDx-SCC, a risk stratification test for cutaneous squamous cell carcinoma; MyPath Melanoma, a diagnostic GEP test for use in patients with difficult-to-diagnose melanocytic lesions; and TissueCypher, a test to predict future development of progression of high-grade dysplasia and/or esophageal cancer. It also provides DecisionDx-UM, a risk stratification GEP test. The company also offers its products to the skin cancer and gastroenterology markets.

Ryerson Holding Corp provides a metals service center, and value-added processor and is a distributor of industrial metals with operations in the United States, Canada, and Mexico. In addition to its North American operations, it conducts processing and distribution operations in China. Its customers range from local, independently owned fabricators and machine shops to large, international original equipment manufacturers. It carries a full line of products in stainless steel, aluminum, carbon steel, and alloy steels and a limited line of nickel and red metals in various shapes and forms. The company generates substantially all of its revenue from sales of metal products. Geographically, the majority revenue is generated from the United States.