** Tesco and Booker both fall c. 2pct aftermultiple reports the two companies will face a lengthycompetition probe
** The UK's largest supermarket chain and one of thecountry's leading wholesalers announced a surprise merger onFriday
** Over the weekend Times reports UK's Competition andMarkets Authority "will be all over" the proposed tie-up
** Telegraph says Tesco's One Stop chain to face particularscrutiny; CMA likely to require a phase two investigationmeaning the deal may not close until 2018
** Booker fifth most traded on Stoxx 600 by average30-day volumes
** Both stocks still well up on Thursday's close (Booker+13.5 pct, Tesco 6.6 pct)
