Many people believe that to make millions in the stock market, you have to invest in speculative micro-cap stocks. While a handful of these high-risk investments do pay off with huge returns, they're more likely to end up as underperformers, if not entirely worthless.
However, the booming market for artificial intelligence (AI) provides an opportunity for larger companies to rise to millionaire-maker status. Here are three established tech stocks that have millionaire-maker potential thanks to the AI boom.
Image source: Getty Images.
1. Alphabet
Yes, Google's parent company Alphabet (GOOGL +1.05%) (GOOG +1.16%) is already a trillion-plus-dollar company, but as the stock's incredible 64.8% price growth in 2025 showed, it still has tons of potential as an investment.
NASDAQ: GOOGL
Key Data Points
AI investments are costly, so deep-pocketed tech giants like Alphabet have an advantage over smaller cash-strapped players when it comes to AI development. And if a tiny up-and-comer shows the potential to beat Alphabet at its own game? Alphabet has nearly $100 billion in cash on its balance sheet and could simply swallow a small rival whole.
However, the company may not need to rely on acquisitions to get ahead in the AI race. The latest version of Google's Gemini AI -- particularly its Nano Banana image generation tool -- is holding its own against OpenAI's latest ChatGPT in head-to-head tests.
Image source: Getty Images.
Since most AI companies depend on a limited supply of graphics processing units (GPUs) from Nvidia (NVDA 0.03%), Alphabet has been developing its own proprietary tensor processing units (TPUs) for years, which it makes available to customers through its Google Cloud Platform. Some analysts have suggested Google's TPUs and DeepMind AI division could be worth $900 billion on their own.
Beyond AI, the company's legacy businesses -- including ads on YouTube and its flagship Google Search -- continue to show double-digit percentage growth. Despite its size (or actually, because of it), Alphabet stock looks like a strong bet to be a huge winner in AI.
Image source: Micron Technology.
2. Micron Technology
We've talked about Nvidia's dominant GPUs and Alphabet's deep-learning TPUs, but let's look at a much smaller, much less talked-about chipmaker.
Micron Technology (MU +3.87%) is the No. 3 player in the global memory-chip industry. Unlike GPUs and TPUs, which handle processing of data, memory chips save the data itself in different ways, depending on how it is going to be accessed.
For example, dynamic random access memory (DRAM) is a type of memory chip that temporarily stores data that a GPU or TPU needs to access quickly.
Micron's chief competition in the memory chip market comes from two South Korean companies: SK Hynix and Samsung. The three combine to produce about 95% of the global supply of DRAM, including a specific type of high-capacity DRAM that's vital for AI applications called high bandwidth memory (HBM). All DRAM -- and HBM in particular -- are very complex to manufacture, which is why nearly the entire global supply is produced by these three manufacturers.
NASDAQ: MU
Key Data Points
Given the supply constraints and soaring demand, Micron is in the enviable position of being able to increase its prices, resulting in companywide gross margins of over 50%. Those margins are likely to increase as the company shutters its consumer memory business to focus on the higher-margin AI market and adds $200 billion worth of manufacturing facilities in the U.S. to increase its DRAM capacity.
With huge margins, double-digit year-over-year revenue growth, and a valuation of just 8.8 times forward earnings, Micron looks like a millionaire-maker stock.
Image source: Nvidia.
3. Nvidia
A lot of people wonder if Nvidia still qualifies as a millionaire-maker AI stock given its status as the largest company in the world with its $4.5 trillion valuation and its astonishing 1,330% share price returns over the last five years. But the real question is: Why wouldn't it be a millionaire maker from here?
NASDAQ: NVDA
Key Data Points
Yes, the company is big, but its dominance in the GPU market is currently unrivaled. Its top-of-the-line GPUs are the gold standard for AI data processing and for computer processing power in general.
Over the years, several companies have been touted as potential "Nvidia killers," including Chinese newcomer DeepSeek and U.S. rival AMD, but all have failed to make a dent in Nvidia's dominance.
In a speech at the CES tech showcase in Las Vegas this week, Nvidia CEO Jensen Huang acknowledged that AMD and Google are both becoming more competitive in the processor market. But he also announced that the company's next-gen chips -- which are said to be five times faster than its previous generation when used in AI applications -- are already in production.
Revenue was up 62% year over year in the most recent quarter, and per-share earnings rose 67%, despite selling out of some of its most popular products. It's the clear top dog in the AI industry and is showing no signs of slowing down. That easily gives Nvidia stock millionaire-maker potential.
