BUZZ-William Hill: hits 1-yr low on Investec downgrade
** William Hill (Frankfurt: 633847 - news) -4 pct at lowest level in a year
** Investec (LSE: INVP.L - news) downgrades stock to "sell" from "hold", cites credit betting ban in Australia, a change in revenue mix in Australia and higher central costs
** "We see further headwinds for William Hill with tough comparables given the Euros in 2016, very poor GWMs (gross win margins) in all four divisions in the last 2 months of H117E" Investec says
** Broker also cuts TP to 245p from 279p
** Near bottom of Stoxx 600 as well as UK's FTSE 250
** Up to Monday's close, the stock had lost ~10 pct of its value YTD