So far, with the exception of Bank of America, investors have been underwhelmed by the banks’ results with shares of J.P. Morgan and Wells Fargo falling after their results were released. Goldman Sachs is expected to report a sharp drop in quarterly profit of $2.91 a share, well below the $4.57 Goldman earned in the same period a year ago. The bank is also expected to report revenue of $7.13 billion, 15% lower than what the Wall Street firm tallied a year ago. On Citigroup, analysts expected the bank to report earnings of $1.28 a share, up from 95 cents...