Answer: Conservatism bias.

**Explanation:** - **A (Correct):** Conservatism bias occurs when individuals maintain their prior views or forecasts by inadequately incorporating new information. This aligns with the description in the question. - **B (Incorrect):** Overconfidence bias involves unwarranted faith in one's own abilities, which is unrelated to the scenario described. - **C (Incorrect):** Representativeness bias refers to the tendency to classify new information based on past experiences or known classifications, which does not match the given context. This question highlights the impact of behavioral biases on financial analysis and underscores the importance of recognizing and mitigating conservatism bias in analyst forecasts.

Author: LeetQuiz Editorial Team