The latest meme-stock frenzy shows that “market psychology and crowd behavior can sometimes matter more than the numbers,” says Capital.com analyst Daniela Sabin Hathorn

As a result, Krispy Kreme's short interest had increased to 14.2% of shares outstanding, but a higher 26.4% of its publicly traded float, as of June 30. That's a high-enough short interest, especially in a lower-float stock, to cause a big move on a surge of unexpected buying. And it appears meme stock traders happened to target Krispy Kreme today.

Krispy Kreme (DNUT), Opendoor (OPEN), Rocket Mortgage (RKT) and Kohl’s (KSS) had become the meme stocks of the moment, along with a new moniker from traders — “DORK,” a reference to the first letters of their tickers.

The DORKs (DNUT, OPEN, RKLB, KSS) show how gamma squeezes can cause meme stocks to skyrocket, but also remind us of the risks involved. Play carefully.

An American Eagle ad campaign featuring Sydney Sweeney caught the attention of retail traders on Thursday, causing the stock to spike.