** Portugal Telecom top loser across Europe , stock price hovers around 1 euro/shr.
** Stock top loser across Europe's STOXX 600, volumes more than a third of daily average in morning trade.
** Fall out from Rioforte liquidation continues to bite. [ID:nL6N0SF3HY}
** Company's Brazilian partner Oi fell 6.9 pct overnight. (RM: email@example.com)