** Price comparison site Moneysupermarket.com &Zoopla heftiest fallers on FTSE 250 in decentvolume
** CMA in throes of investigation into UK energy market atlarge, including looking into price comparison websites
** Ofgem has asked MONY for information linked to itsinvestigation into whether 2 or more cos providing a supportingservice for the energy industry have breached competition law
** No further information was provided
** uSwitch, a provider of comparisons of gas & electricitysuppliers & which was recently bought by Zoopla, got similarrequest from Ofgem earlier this yr
** MONY, down c.9 pct, poised for biggest one-day drop sinceearly March (traded close to a record set early May onWednesday), while Zoopla suffers worst day in short period aslisted co, down c.7 pct (hit all-time high Weds)
** Trading volume in MONY twice its 90-day daily avg, whilethat for Zoopla at three quarters (RM: tricia.wright1.thomsonreuters.com@reuters.net)