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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.
GAMCO Global Gold Natural Resources & Income Trust is a non-diversified closed-end management investment company. Its primary investment objective is to provide a high current income and capital appreciation as its secondary objective. To achieve its objective, the fund may invest majority of its assets in equity securities of companies principally engaged in the gold and natural resources industries. It also intends to earn income through an option planning of writing (selling) covered call options on equity securities in its portfolio.