A piece of investing commentary is drawing attention to a niche corner of the artificial intelligence boom: memory chips.

According to The Motley Fool, in an article also carried by Yahoo Finance, investors with as little as $100 to put to work should consider a single AI "memory" exchange-traded fund (ETF) — the writers frame it as a stock to "buy hand over fist."

An ETF is a basket of securities that trades like a single stock, letting an everyday investor get exposure to a whole theme — in this case, the companies that make the memory hardware AI systems depend on — without picking individual winners. The low entry point the headline emphasizes, $100, underscores the pitch that this is meant to be accessible to small, retail investors rather than just institutions.

The framing matters because memory has become one of the tighter bottlenecks in the AI build-out. Training and running large AI models requires not just powerful processors but vast amounts of fast memory to feed them, and that demand has put memory makers in the spotlight alongside the better-known chip designers.

A word of caution on what these sources are: the items here are commentary and recommendation pieces, not breaking news or company disclosures. They reflect the publishers' investment opinion. The Motley Fool and Yahoo Finance items do not, in the material provided, name the specific fund, its ticker, its holdings, or any performance figures — so readers interested would need to consult the full articles and do their own research before acting.

Why it matters: the coverage is a sign that retail investor interest in the AI trade is broadening beyond marquee chipmakers into the supporting hardware — like memory — that the entire AI economy quietly runs on.