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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.
A-Mark Precious Metals Inc is a precious metal trading company. It is principally engaged in the wholesale of gold, silver, platinum, copper, and palladium bullion and related products in the form of bars, wafers, coins, and grains. The company's operating segment includes Wholesale Sales and Ancillary Services; Secured Lending and Direct-to-Consumer. It generates maximum revenue from the Wholesale Trading and Ancillary Services segment. The Wholesale Trading and Ancillary Services segment comprises business units such as Industrial, Coin and Bar, Trading and Finance, Storage, Logistics, and Mint. Geographically, it derives a majority of its revenue from the United States and the rest from Europe, Asia Pacific, Australia, Africa, and other regions.