The negative impact on Goosehead Insurance's stock (GSHD) is due to a combination of factors: worse-than-expected Q1 sales results, lower FY24 revenue guidance, and reduced price targets by Piper Sandler and Keefe, Bruyette & Woods. These elements together signal a lack of confidence from both the company and market analysts in the short-term financial performance and growth prospects of GSHD, likely leading to a decrease in stock price as investors adjust their expectations.