A pedestrian speaks on a mobile phone as she walks in front of an electronic stock board outside a securities firm in Tokyo, Japan. (Photographer: Shoko Takayasu/Bloomberg)

Stocks Retreat on Geopolitical Tensions; Yen Rises: Markets Wrap

(Bloomberg) -- Most Asian stocks declined and U.S. and European futures slipped Tuesday as traders mulled geopolitical strains and positioning for the upcoming U.S.-China summit meeting. Treasuries...