Asia shares left guessing on trade, await Trump speech

SYDNEY (Reuters) - Asian share markets flatlined on Tuesday as uncertainty over Sino-U.S. trade talks and political strife in Hong Kong dogged sentiment, while safe-haven bonds eked out a bounce. MSCI's broadest index of Asia-Pacific shares outside Japan edged up a slight 0.04%, following a sharp 1.2% pullback on Monday.Japan's Nikkei dithered either side of flat, while Shanghai blue chips eased 0.1%. E-Mini futures for the S&P 500 also dipped 0.1%, as did EUROSTOXX 50 futures . Caution..