The decline in LiveRamp Holdings, Inc. shares is directly related to the company's Q3 financial performance and its future revenue outlook as provided in the Q4 guidance. Typically, if the financial results or future guidance do not meet investor expectations, it can lead to a decrease in stock price as market sentiment turns negative. The specific details of the Q3 results and Q4 guidance are not provided, but the immediate market reaction suggests that the news may have been below market expectations.