How did RGEN's Q1 2024 EPS surprise impact short-term trading?

Regeneron's (RGEN) Q1 2024 EPS surprise had a generally negative impact on short-term trading, though there were some positive movements. The 3-Day win rate was 62.50%, indicating that the stock price rose in the three days following the earnings release for more than half of the backtested events. However, the 10-Day win rate was lower at 43.75%, suggesting that the positive momentum faded within a shorter period. The 30-Day win rate was also 43.75%, showing that the positive impact did not persist in the longer term. The maximum return observed was 10.49% over 30 days, which was the longest period of positive returns. Overall, while there was some short-term trading opportunity, the impact of the EPS surprise was mixed, with a slight decline in the stock price in the immediate aftermath of the earnings release.