Greeceâ??s securities regulator banned short-selling in shares on the Athens bourse until June 28, after heavy losses of Greek assets a day earlier in the wake of the countryâ??s deepening debt crisis.

â??The Capital Market Commission, having considered the extraordinary conditions in the Greek market, has decided to ban short selling on the Athens stock exchange. The rule will be in effect from April 28 until June 28,â?� it said.