那只是跟随效应。

There was a copy effect.

youdao

惯性效应在股市快速下跌时（包括1975年80%的跌幅）也受到伤害，那些试图跟随惯性的投资人可能已经出局。

The momentum effect has also suffered some sharp switchbacks (including an 80% decline in 1975) that may have wiped out those traders who tried to follow it.

youdao

从众效应是指跟随或采取和大多数人一样的行为来使自己感觉安全或避免争斗的一种趋势。

Herd mentality is the tendency to adopt the opinions and follow the behaviors of the majority to feel safer and to avoid conflict.

youdao