Herd Mentality or hive mentality describes how humans pay too much attention to what others say or do, and they allow that collective behavior to influence their own thoughts and actions. It's basically jumping off a cliff because everyone else is doing it. Rational thought goes out the window. Emotion and gut feelings take over. […]
Example
“During the 2021 meme stock craze, herd mentality drove millions of retail traders to pile into GME after seeing others post massive gains on social media, pushing the stock from $20 to over $400.”