CHELTENHAM, UK—A captive audience of some of jump racing's leading owners, along with their trainers and bloodstock agents, gathered in the parade ring after the final race of Wednesday's card for the Tattersalls Ireland Cheltenham Festival Sale, which saw 15 young point-to-pointers sold for a total of £2,195,000. Donnchadh Doyle's Monbeg Stables enjoyed a good evening, consigning two of the top three lots, including the most expensive horse of the sale, Killer Kane (Ire) (Oscar {Ire}), who was sold for £300,000 to Ross Doyle on behalf of trainer Colin Tizzard,...