CSTL vs MHD 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.

Blackrock Muniholdings Fund Inc is a diversified, closed-end management investment company. Its investment objective is to provide shareholders with current income exempt from U.S. federal income taxes. The fund mainly invests its managed assets in municipal bonds rated investment grade or, if unrated, are deemed to be of comparable quality by the investment adviser at the time of investment. Its investment portfolio is mainly comprised of long-term municipal bonds with a maturity of more than ten years at the time of investment. The fund can also invest directly in such securities or synthetically through the use of derivatives.