Banks including BNP Paribas and ING are ditching billions of euros of euro zone government bonds, cutting their exposure to the region's trouble spots. More lenders are expected to retreat as the euro zone crisis deepens and leaders raise the possibility of the exit of Greece from the bloc, further damaging prices. "The market value of the debt of the countries most under scrutiny is likely to decline further as banks unload sovereign bonds," Charles Dallara, managing director of the Institute of International Finance, warned on Wednesday. BNP, the biggest overseas private holder of Greek government debt, took a 2.6 ... (full story)