Meta Platforms (NASDAQ: META), and Alphabet (NASDAQ: GOOG) (NASDAQ: GOOGL). December is historically a strong month for stocks due to something called the "Santa Claus Rally."

Looking for undervalued opportunities in the AI boom? Check out this trio of big AI winners that haven't popped up on Wall Street's radar screens yet.

The artificial intelligence (AI) boom has been a huge benefit to the business, and with the stock up more than 10x in just a few short years, it would be understandable for investors who didn't get in earlier to think they missed the boat.

US tech giant Nvidia is spreading its investments into smaller-cap AI companies, which will help promote the adoption of its products. This comes as demand for its graphics processing units (GPUs) is on an increase and projected to remain firm supported by continued adoption of the AI technology across sectors.

Cloudflare estimates that its total addressable market could grow from $176 billion this year to $222 billion in 2027, driven by incremental growth opportunities in areas such as AI. This explains why the company has been investing in AI-specific hardware such as high-end graphics processing units (GPUs) to power its AI offerings.