Goldman Sachs reported a drop in fourth-quarter profits on Wednesday following a mixed performance in its operating businesses as it set aside $1.1 billion for legal and regulatory matters. The investment bank reported profits of $1.7 billion for the quarter ending December 31, a 25.8 percent drop compared with the year-ago period. Revenues rose 25.4 percent to $9.0 billon, but operating expenses jumped 41.7 percent to $7.3 billion. Goldman Sachs ...