Marianna Wong has joined the institutional fixed-income sales desk at Comerica Bank as a v.p. in San Francisco. Wong, who moves over from Bear Stearns, will be a fixed-income generalist, selling an array of mostly taxable bonds. She reports to Jack Singer, senior managing director in charge of fixed-income sales in California. Wong says she was in Bear Stearns' Los Angeles fixed-income group. She says she made the move to "broaden" her experience. It could not be determined to whom she reported.