Autohome Inc. (ATHM) shares plummeted 5.31% during intraday trading on Friday. The automobile marketplace stock experienced a significant decline in early market activity.

The sharp drop followed a downgrade by HSBC, which cut its rating on Autohome to "hold" from "buy" and significantly reduced its price target to $17.30 from $25.50. Analyst downgrades typically signal reduced confidence in a company's near-term prospects and often trigger selling pressure from investors who follow such recommendations.