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CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND operates as a closed-end management investment company. Its investment objective is to provide total return through a combination of capital appreciation and current income. The Fund invests in convertible securities and high-yield securities.
Daily Journal Corp publishes newspapers and websites covering California and Arizona and produces several specialized information services. The company operates in two segments: Traditional business and Journal Technologies. It also serves as a newspaper representative specializing in public notice advertising. The majority of revenue is generated from the Journal Technologies segment.