Shares of Rogers Corp (ROG) surged 8.85% in pre-market trading on Thursday, following news that activist investor Starboard Value has acquired a significant stake in the engineering-materials maker. The stock's sharp rise reflects investors' optimism about potential changes that could boost the company's value.

According to reports, Starboard Value has accumulated more than 9% ownership in Rogers Corp. The activist investor is known for pushing for strategic changes in companies to enhance shareholder value. In this case, Starboard Value has indicated its intention to seek another round of changes at Rogers Corp, aiming to lift the company's share price.

This development has caught the attention of market participants, who are speculating about the nature of changes Starboard Value might propose. Typically, activist investors advocate for various measures such as operational improvements, strategic alternatives, or changes in corporate governance. The market's positive reaction suggests that investors are hopeful about the potential outcomes of Starboard's involvement in Rogers Corp.