Francoise Bettencourt Meyers, the granddaughter of the founder of French beauty brand L’Oreal, cracked the 100billionbarrier—becomingthefirstwomantoboast12−figurefortune.BettencourtMeyers,70, jumpedtotheNo.12spotontheBloombergBillionaire’sIndex,aftergainingastaggering836 million as of Wednesday’s closing bell to peak at 100.2billion.Hernetworthfellslightlyto99.9 billion by the close of the day Thursday.Her wealth puts her among the world’s highest earners like Warren ...