Alphabet is the parent company of Google, one of the world's most popular search engines. The company's various ventures make it one of the most diversified tech companies in the world. Alphabet's revenue comes from a wide range of sources, including YouTube, Google search and other apps. The company has a dominant position in the online advertising space and has been steadily growing revenue since its IPO in 2004. Alphabet's robust growth has made it a top-tier choice for investors. The company's massive presence in online advertising and its various moonshot projects have made it a popular stock to buy and hold for the long term. Alphabet's robust long-term growth has made it a top-tier choice for investors. It has a market cap of $900 billion and is one of the most valuable companies in the world.