** Tour operator Thomas Cook's shares down 5 pct,second-largest Stoxx 600 losers, after unrest in Turkey
** A fifth of co's daily avg vols gone through in littleover half an hour of trade
** Turkey thwarted an attempted coup against the governmentover the weekend, cracks down on army, judiciary
** Thomas Cook had warned in May that FY guidance would beat the bottom of the range expected by analysts, added summerbookings down 5 pct with tourists shunning Turkey
** TUI shares down 1.7 pct, near the bottom of theFTSE 100
** TUI, Thomas Cook bottom two losers on the Stoxx 600Travel and Leisure Index, which is up 0.5 pct (venkateshasoumithri.mamidipudi.thomsonreuters.com@reuters.net)