NEWMARKET, UK——With what could be the final sale in Britain to be held under Covid restrictions, Tattersalls launches its three-day July Sale in Newmarket on Wednesday, when fillies and broodmares form the core of the first all-day session. Trade on Thursday and Friday will be conducted in morning and evening sessions around racing on the nearby July Course. Last year's auction was reduced to two days, with an extra mixed sale introduced in August to allow for the fact that racing had only resumed from its enforced shutdown in early...