What is Commonwealth? How Mage's Kentucky Derby win led to 391 owners, shareholders celebrating
A lot of people are always invested in the Kentucky Derby for gambling reasons. But this year, nearly 400 people were cheering on Mage to win. The horse, which entered the race with 15-1 odds to win Saturday, ended up taking the Run for the Roses with Javier Castellano riding. Outside of Castellano and trainer Gustavo Delgado, however, 391 sharehol...