How did BL's Q4 earnings surprise impact its annual performance?

Berkshire Hathaway's (BL) fourth quarter (Q4) earnings surprise had a positive impact on its annual performance, as evidenced by the strong win rates and returns observed following the earnings beat expectations. The 3-Day, 10-Day, and 30-Day win rates were all 75%, indicating a high probability of positive returns in the short term. The maximum return observed was 5.36% over 30 days, suggesting that investors could have gained significantly if they held the stock during this period.