Himax Technologies (HIMX) stock plummeted 14.66% in pre-market trading on Thursday following the release of its second-quarter earnings report and disappointing third-quarter guidance. The semiconductor company's weak outlook and missed earnings expectations have sparked investor concerns, leading to a significant sell-off.

While Himax's Q2 revenue of $214.8 million slightly beat analyst expectations of $213 million, the company's earnings per share of $0.095 fell short of the consensus estimate of $0.10. Despite a favorable product mix driving the gross margin to 31.2%, the company's bottom line performance failed to impress investors.

The primary catalyst for the stock's sharp decline appears to be Himax's bleak outlook for the third quarter. The company expects Q3 2025 revenues to decline by 12% to 17% quarter-over-quarter, with gross margin projected to be around 30%. Most alarmingly, Himax forecasts a loss per diluted ADS of 2.0 to 4.0 cents for Q3, a stark contrast to the $0.07 profit per ADS analysts were anticipating. This weak guidance suggests that Himax is facing significant headwinds in the near term, likely contributing to the pre-market sell-off.