PTCT vs CE Comparison

PTC Therapeutics Inc is a biopharmaceutical company that discovers, develops and commercializes clinically differentiated medicines that provide benefits to children and adults living with rare disorders. Its diversified therapeutic portfolio that includes several commercial products and product candidates in various stages of development, including discovery, research and clinical stages, focused on the development of new treatments for multiple therapeutic areas for rare diseases relating to neurology and metabolism. The company views its operations and manages its business in one operating segment: life science, which is focused on the discovery, development and commercialization of the company's clinically differentiated medicines that provide benefits to patients with rare disorders.

Celanese is one of the world's largest producers of acetic acid and its downstream derivative chemicals, which are used in various end markets, including coatings and adhesives. The company is also one of the largest producers of specialty polymers, which are used in the automotive, electronics, medical, building, and consumer end markets. The company also makes cellulose derivatives used in cigarette filters.