BUZZ-Restaurant Brands International: New menu items, low costs boosts profit
** Burger King/Tim Hortons owner's U.S.-listed shares up 4.3 pct at $39.94, rising for 4th straight day
** Company's Toronto-listed shares up up 5.7 pct at C$53
** Company reports better-than-expected quarterly profit, helped by new menu items and lower costs
** Burger King's comparable sales up 6.2 pct; Tim Hortons up 5.3 pct
** Up to Monday's close, Toronto-listed stock had risen about 10 pct this year
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