How did CBRE's Q4 earnings surprise impact investor confidence?

**CBRE's Q4 earnings surprise had a generally positive impact on investor confidence**, as evidenced by the backtest results. The 3-Day win rate was 52.94%, the 10-Day win rate was 52.94%, and the 30-Day win rate was 70.59% following the earnings beat expectations event. Additionally, the maximum return observed was 8.17% over 30 days, indicating that investors were likely optimistic about the company's future prospects.