Silicom

Silicom's traditional networking business is valued at very little by the market, which means an investor is paying almost nothing for whatever the AI opportunity turns out to be worth. Revenue has started growing again, up about 6.6 percent over the past year after a difficult stretch of customer inventory reduction.

As artificial intelligence shifts from training models to running them for millions of everyday users, the bottleneck moves to moving data quickly and cheaply. That is precisely what Silicom's hardware does. A single meaningful design win with a large customer would be transformative for a company this size.

Silicom is not profitable, with margins running around negative 13 percent. Revenue growth of 6.6 percent is modest and nowhere near enough to fix that on its own. The AI opportunity is still a possibility rather than something showing up in results.

At roughly 245 million dollars, this is by far the smallest company on our list. Small companies like this can move sharply on a single piece of news, good or bad, and its history is cyclical. Its customers cut orders hard when they have too much stock on hand.