FTSE 100 lower in thin trading; Fevertree, Intu slide

(Reuters) - London's FTSE 100 edged lower on Monday and midcaps were little changed, amid thin trading volumes due to a U.S. holiday, while premium tonic water maker Fevertree and mall operator Intu tumbled among smaller stocks.The FTSE 100 , which hit a near six-month high in the previous session, gave up 0.2% by 0915 GMT, with BAT weighing the most. Many investors were away due to U.S. markets being closed for the Martin Luther King Jr. holiday.The FTSE 250 was flat, but Capita fell 3.6%..