Taylor's endorsement prompts Swift sell-out for Sancerre wine

A bottle of Sancerre by the Terres Blanches domaine, which sells for around $40 in the United States, is glimpsed briefly by a mixing desk during episode five of the "End of an Era" documentary about Swift on Disney. That was enough for the army of online "Swifties", who scrutinise the singer's every move, to identify "Taylor's wine". Stocks quickly sold out on the website of its US distributor, providing the latest example of what has become known as Swiftonomics -- the ability of the 36-year-old...