WASHINGTON—The coup in Burma is expected to dampen the already tepid interest of U.S. and Western companies in investing in Burma, and may prompt some big U.S. companies to pull out, trade experts and analysts said on Monday. Total trade in goods between Burma and the United States amounted to nearly $1.3 billion in the first 11 months of 2020, up from $1.2 billion in all of 2019, according to U.S. Census Bureau data. Apparel and footwear accounted for 41.4 percent of total U.S. goods imports, followed by luggage, which accounted for nearly 30 percent, and fish, which accounted for just over four percent, said Panjiva, the supply chain research unit of S&P Global Market Intelligence. Luggage maker Samsonite and privately owned apparel maker LL Bean are among big importers, along with retailer H&M and Adidas, Panjiva said. U.S. direct investment data is unavailable, the U.S. Trade Representative’s office said. …