Acquisitions and Investments: IAC's strategy of acquiring and investing in internet businesses significantly impacts investor sentiment. Successful acquisitions drive the stock up, while unsuccessful ones can negatively affect it.

Performance of Dotdash Meredith: Dotdash Meredith's financial results, including revenue growth, profitability, and user engagement, are a crucial indicator for IAC's overall performance and stock price.

Vimeo's Growth and Profitability: Although spun off, Vimeo's subsequent performance still influences IAC due to its prior association and investor perceptions of IAC's ability to identify and nurture valuable businesses.

Macroeconomic Conditions: General economic factors like interest rates, inflation, and overall market sentiment impact all stocks, including IAC. Economic downturns often lead to lower stock prices.

Management's Strategy and Guidance: Investors closely monitor IAC's management team, their strategic decisions, and financial guidance for future performance. Positive outlooks generally boost the stock.

Competition: The competitive landscape in the digital media and internet industries, particularly the presence of larger, more established players, can influence IAC's growth prospects and stock valuation.

Regulatory Environment: Changes in regulations related to data privacy, online advertising, or other internet-related activities can affect IAC's business operations and investor confidence.

Share Repurchase Programs: IAC's decision to repurchase shares can impact the stock price by reducing the number of outstanding shares and signaling confidence in the company's future.