National Bank of Greece S.A. (OTCMKTS:NBGIF – Get Rating) fell 5.2% during mid-day trading on Monday . The stock traded as low as $3.80 and last traded at $3.80. 4,025 shares changed hands during mid-day trading, a decline of 58% from the average session volume of 9,585 shares. The stock had previously closed at $4.01. […]