ATHENS, Nov 28 (Reuters) - Alpha Finance, a subsidiary of Alpha Bank (ACBr.AT), on Monday raised its price targets on shares of Eurobank (EURBr.AT), National Bank (NBGr.AT) and Piraeus Bank (BOPr.AT), three of Greece's largest lenders, maintaining a 'buy' rating on them all.

Reporting by George Georgiopoulos; Editing by Conor Humphries