This document provides an investment recommendation for Mazda Ltd stock for April 2012. It summarizes Mazda's business operations, financial performance, and valuation. Mazda operates an engineering division that designs vacuum and evaporator systems, as well as a small foods division. Despite economic challenges, Mazda has grown revenues by 10-15% annually and maintained high profit margins and returns on equity. The document recommends buying Mazda stock within a price range, noting the company's strong cash position, profitable operations, and conservative management.