AptarGroup (ATR) shares tumbled 5% in pre-market trading on Friday, despite the company reporting better-than-expected third-quarter earnings. The sharp decline suggests that investors may be focusing on other factors beyond the headline numbers.

According to the company's earnings report released after market close on Thursday, AptarGroup posted adjusted earnings of $1.62 per share for the quarter ended September 30, surpassing the mean analyst expectation of $1.57 per share. Revenue also exceeded forecasts, rising 5.7% to $961.13 million, compared to the anticipated $953.51 million.

Despite these positive results, the pre-market selloff indicates that investors might be concerned about other aspects of the report or future guidance. It's worth noting that AptarGroup's shares had already fallen by 7.0% over the past quarter and lost 20.9% year-to-date before this earnings announcement. The continued downward pressure on the stock price suggests that market participants may be reassessing the company's growth prospects or reacting to broader economic factors affecting the non-paper containers & packaging industry.