Thai officials glimpse a silver lining in the U.S.-China trade war as companies such as Sony Corp. move production to Southeast Asia’s second-largest economy. At least 10 firms are in the process of relocating some production to Thailand from China, according to the National Economic & Social Development Council. More than a dozen others could potentially choose Thailand, it said in a statement. “We may not see the impact on the economy now, but in the second half of 2019, it could become a positive factor for growth,” the agency’s Deputy Secretary-General Wichayayuth Boonchit said Monday.Trade tension is sapping growth...