LEXINGTON, KY - The Keeneland September Yearling Sale continued to produce steady, competitive bidding as the 12-day auction's Book 3 section concluded Sunday in Lexington. A total of 562 yearlings sold during the two Book 3 sessions for a gross of $86,894,000. The Book 3 average was $152,251--down 4.0% from last year's corresponding figure--and the median fell 8.0% to $115,000. During last year's Book 3 section, 573 yearlings grossed $90,919,500 for an average of $158,673 and a median of $125,000. A colt by Constitution brought the section's top price when...