Greenlight Capital is a hedge fund founded by David Einhorn in 1996. It focuses on value investing, which means it seeks to buy undervalued stocks and hold them for the long term. The fund is known for its rigorous analysis and research, aiming to identify companies with strong fundamentals that are trading below their intrinsic value. Over the years, Greenlight Capital has gained a reputation for its successful investment strategies and has attracted significant capital from investors. The fund typically invests in a diverse range of sectors, including technology, healthcare, and consumer goods, while also engaging in short selling to hedge against market downturns.