TOKYO (Reuters) -Japan's factory output fell more than expected while retail sales declined for the first time in over three years in August, government data showed, heightening uncertainties about the economic outlook. Although Tokyo struck a trade deal with Washington, analysts said U.S. tariffs could still affect Japan's production and the global economy, which is keeping the Bank of Japan on edge in terms of when to next raise rates. Industrial output fell 1.2% in August from a month earlier, data ...