** Hikma Pharma -c.7% in heavy vols, biggest loseron Stoxx & trading at lowest in 10 mnths as HSBC cutsTP to 1985p from 2525p
** HSBC says co not known for involvement in U.S. DoJ probeinto generic drug price collusion, but all generic drugmakersmay be viewed as guilty by association until proven otherwise
** Probe may include co in due course, brokerage adds
** 60% 30-dav avg vol through on HIK in 10 mins of trade
** Analysts generally positive on stock, which has no "sell"or "strong sell" ratings; mean TP at 2,500p acc to Reuters data
** Co top FTSE 100 loser (YTD HIK -24% vs FTSE+c.9%)