Etc. . . .

High Chaparral will make his first start since he won the Breeders' Cup Turf Aug. 10 at The Curragh in the 1 1/4-mile Group 2 Royal Whip Stakes, Aidan O'Brien told the Racing Post on Wednesday. Also the winner of both the Epsom and Irish derbies and the 2002 Eclipse Award winner as best turf horse last year, he has been sidelined since the start of the European season with a shoulder injury. . . . The stock of Youbet.com rose 48 cents, or nearly 14 percent, to $3.99 per share on Wednesday. The rise came on a volume of 2.279 million shared traded. . . . A collection of Seabiscuit memorabilia that had been on display at The Derby restaurant in Arcadia, Calif., will be auctioned off Sunday at the I.M. Chait Gallery in Beverly Hills. Included among the items are a kangaroo-leather saddle trimmed in lizard skin also worn by the Australian racehorse Phar Lap.