BTO vs CSTL Comparison

John Hancock Financial Opportunities Fund is the United States based closed-end, diversified management investment company. Its investment objective is to provide a high level of total return consisting of long-term capital appreciation and current income. The company invests in banks, capital markets, Insurance, Mortage Real Estate Investment trust, Health Care REITs, Diversified REITs, Office REITs.

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.