The article examines factors influencing abnormal returns from bonus announcements in CNX 500 companies from 2006 to 2014. The study shows that firm size affects abnormal returns, with larger firms experiencing lower returns. Promoters' holding is negatively related to abnormal returns. Pre-cumulative average abnormal returns improve abnormal returns. Abnormal returns were negative before and after the financial crisis. Companies in the services sector generate higher abnormal returns than those in the manufacturing sector.