Greek stocks fell in volatile trade on Monday after anti-austerity party Syriza swept to victory in Sunday's election, while other European equities kept rising on the promise of European Central Bank bond-buying. Athens's ATG index fell 3.2 percent, led lower by a slump in banks such as Piraeus Bank, down 17.6 percent, and Alpha Bank, down 11.6 percent, as investors fretted about a possible ...