Athens (AFP) - Greek stocks opened 2.03 percent higher on Thursday after plunging a day before over the new anti-austerity government's decision to scrap key privatisations and other reforms.Wednesday's 9.24 percent plunge hit Greece's biggest banks especially hard, with the sector's stocks losing a quarter of their market value.The decision to halt the privatisation of Piraeus and Thessaloniki ports has alarmed major investors including China, which on Thursday said it was "highly concerned" by the move.EU paymaster Germany warned Greece's leftist government that it could not make drastic changes to its policies and expect other European citizens to foot the bill.Join the conversation about this story »