U.S. markets post modest gains
Oil prices retreat
Retail data boosts N.Y.
Bank of England, ECB keep interest rates on hold
Loonie back below U.S. greenback
Loonie hovers around parity level with U.S. dollar
N.Y. weak; Fed signals optimism about economy
Renewed concerns about Greece’s debt crisis
Loonie nears parity with U.S. greenback
Oil prices rise above US$85 a barrel