 Shares of Jefferies Financial Group Inc. JEF, -9.92 dropped 8.6 to 37.85 on Wednesday after the bank reported a 3 drop in fourth-quarter revenue to 1.81 billion, short of the analyst target of 1.9 billion. While the banks investment banking revenue totaled 1.18 billion with record advisory net revenue, capital markets revenue of 438 million fell 30 over the year-ago period due to challenging market conditions for fixed income trading leading to lower volumes, the firm said. 