Atlassian is unlocking a new phase of growth thanks to artificial intelligence (AI), which is a key reason its stock has more than doubled since the middle of last year. However, it's still trading 33% below its all-time high set during the tech frenzy in 2021, so it's not too late for investors to consider adding it to their portfolio.

Countless companies stand to benefit from AI, but these stocks have AI and automation as a central part of their businesses.

The popular phrase "reports of my death are greatly exaggerated," an adaptation of a famous Mark Twain quote, is a terrific way to describe Nvidia (NASDAQ: NVDA) after the DeepSeek bombshell (more on this below) sank its stock more than 20%.

C3.ai is capturing strong demand for commercial AI solutions with tools to improve productivity and operational efficiency. BigBear.ai has carved out a niche supporting mission-critical intelligence for the defense sector while moving forward with a unique focus on vision-enabled AI.