updates moves, adds analyst comments
** Shares of Australia's Tabcorp TAH.AX extend losses to fall as much as 14.2% to A$0.755, their lowest since late August
** Stock set for worst week on record, and is the top loser in the benchmark ASX 200 index on the day
** TAH dropped over 23% on Thursday after Australia's financial crime regulator launched a probe into the wagering and gaming firm over money-laundering risks
** Regulator identified "serious concerns" over co's ability to identify, mitigate and manage money-laundering and terrorism-financing risks effectively
** Jefferies downgrades stock to hold and cuts price target to A$0.93 from A$1.25, saying the investigation will likely remain a prolonged overhang
** Adds previous such enquiries have had operational impacts beyond punitive fines, and says co's cost out momentum and retail turnover growth may be at risk going forward
** Stock down ~23%, YTD
(Reporting by Sneha Kumar & Shruti Agarwal in Bengaluru)
((Sneha.kumar@thomsonreuters.com;))