Financial results that surpass expectations typically lead to an increase in stock price as investors gain confidence in the company's performance and future prospects. Zillow's better-than-expected Q4 results have positively impacted investor sentiment, leading to a short-term increase in its stock price.

Similar to Z, Zillow Group's Class A shares (ZG) have experienced a positive movement in stock price following the announcement of Q4 financial results that exceeded market expectations. This is due to the positive reaction from investors who view the better-than-expected results as a sign of strong company performance and potential for future growth.