JP Morgan has upgraded shares in Greek containership specialist Costamare in the wake of its move to reduce dividend by around two thirds.

Analyst Noah Parquette raised New York-listed Costamare from neutral to overweight explaining yesterday's action had removed an overhang on the stock.

As TradeWinds reported on Tuesday the Greek owner said its board approved a 65.5% decrease in the dividend, trimming the payout $0.10