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Diamond Hill Investment Group Inc sponsors, markets, and provides investment advisory and related services to various U.S. and foreign clients including mutual funds, separate accounts, and private investment funds. The company's objective is to fulfill a fiduciary duty to clients and secondary objectives to achieve an adequate long-term return for shareholders. The company generates its revenue from Investment advisory and fund administration fees.
Aehr Test Systems is engaged in test systems for burning-in and testing logic, optical, and memory integrated circuits. Increased quality and reliability needs of the Automotive and Mobility integrated circuit markets. The Company operates in one business segment, the designing, manufacturing, marketing and selling of advanced test and burn-in products to the semiconductor manufacturing industry in several geographic areas. The company provides production solutions across the product manufacturing flow to improve yield and reliability and has developed and introduced several inventive products, including the ABTSTM and FOX-PTM families of test and burn-in systems and FOX WaferPakTM Aligner, FOX-XP WaferPak Contactor, FOX DiePak Carrier and FOX DiePak Loader.