Williams Sonoma’s earnings guidance includes an increase in U.S. duties on Chinese exports of furniture to 25% from 10%, despite ongoing U.S.-China trade talks, which CFO Julie Whalen has stated could “put pressure” on the retailers’ profitability. The firm also faces declining sales across its industry after U.S. furniture retail sales fell 2.8% year over year in January after rising 3.3% in 2018. Tariffs and slowing sales are leading companies to reorient their supply chains away from China. In the first two months of 2019 U.S. seaborne imports from China fell 7.7% year over year where...