 as the world's wealthiest woman to Alice Walton, a member of the founding family of U.S. retailer Walmart. The extent of the market downturn became glaringly apparent this week as the earnings season kicked off with an unfolding crisis at U.K. luxury trench coat maker Burberry and plunging sales at Swatch Group. L'Oreal, LVMH, and other industry heavyweights backed by billionaires are scheduled to report later this month. I'm Andrew O'Day, Bloomberg Radio.