GLOBAL MARKETS-Shares ease, Spanish debt costs curb risk appetite

TOKYO(Reuters): Asian shares and the euro eased on Tuesday, with a relief rally from last week's heavy selling faltering quickly as a surge in Spanish borrowing costs added to simmering worries about Europe's debt restructuring challenges.

MSCI's broadest index of Asia-Pacific shares outside Japan inched down 0.1 percent, hovering near its lowest level since late December touched on Friday.