Zoetis Inc. (ZTS) experienced a significant pre-market surge of 6.12% on Thursday.

The animal health company's stock jumped after it reported fourth-quarter financial results that exceeded analyst expectations. According to the earnings release, Zoetis posted Q4 revenue of $2,387 million, surpassing the IBES estimate of $2,360 million. The company also reported earnings per share of $1.37 for the quarter and provided a full-year revenue outlook ranging from $9,825 million to $10,025 million.

The better-than-expected revenue performance appears to be the primary driver behind the pre-market rally, as investors reacted positively to the company's quarterly results and forward guidance.