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Cornerstone Total Return Fund Inc is a diversified closed-end management company. Its objective is to seek capital appreciation with current income as a secondary objective. The company invests in sectors such as Information Technology; Health Care; Financials; Communication Services; Consumer Discretionary; Industrials; Exchange-Traded Funds; Utilities; Energy; Real Estate and others.
Proto Labs Inc is an on-demand manufacturer of custom parts for prototyping and short-run production. The company offers developers and engineers quick-turn production services to reduce the time to market. Proto Labs uses injection molding, computer numerical control machining, and 3-D printing to manufacture custom parts for its clients. The company services clients' needs for prototype solutions, parts for testing procedures, bridge production capabilities during disruptions in manufacturing processes, limited-quantity requests, and end-of-life production support. The majority of its revenue is derived from the United States of America.