NEWMARKET, UK -- Among a boutique offering, a half-sister to two Group 1 winners, by the champion sire-elect, was always going to be a standout and the 18-year record for the top price at the Tattersalls December Yearling Sale duly fell to Clara Stud's Dark Angel filly, who was sold for 900,000gns. Solo De Lune (Ire) (Law Society), now best known as the dam of Irish Oaks winner Moonstone (GB) (Dalakhani {Ire}), held the previous record at 775,000gns back in 2006 as part of the Britton House Stud dispersal. That...