** Shares of furniture companies with exposure to imports into U.S. fall in early trading after President Donald Trump's fresh tariffs on sector

** Trump says he will share details on 30% additional tariffs he imposed on some furniture imports into U.S. last week

** "I will be imposing substantial Tariffs on any Country that does not make its furniture in the United States. Details to follow," Trump says in social media post

** Shares of online furniture retailer Wayfair W.N down nearly 2% at $85.37

** Shares of Pottery Barn owner Williams-Sonoma WSM.N down about 2% at $196.46, while luxury furniture retailer RH RH.N down nearly 1% at $200.95

(Reporting by Anshi Sancheti in Bengaluru)

((Anshi.Sancheti@thomsonreuters.com))