A filly by Bolt d'Oro brought $127,000 from Choctaw Racing to lead the way during Thursday's Book 5 finale at the Keeneland September Yearling Sale. A son of Frosted was the highest-priced colt on the day and the session's second-highest priced yearling, realizing $110,000 from the Korea Racing Authority. Ten yearlings brought $100,000 or more during the session while 13 hit that mark last year. Keeneland sold a total of 289 yearlings through the ring Thursday for $9,276,500, good for an average of $32,099 and a median of $25,000. The...