APC vs CSTL Comparison

Arko Petroleum Corp is a fuel distribution company. It operates through three reportable segments: i) Wholesale: Distributes fuel to gas stations, sub-wholesalers, and bulk purchasers, typically under long-term contracts on a cost-plus or consignment basis. ii) Fleet Fueling: Operates proprietary and third-party cardlock locations serving commercial and municipal fleets, and earns commissions from proprietary fuel card sales. iii) GPMP: Supplies fuel to ARKO Retail Sites at cost plus a fixed margin, charges fixed fees to certain sites. The company generates the majority of revenue from the Wholesale segment.

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. The company derives revenues through the delivery of test reports for its molecular diagnostic tests.