Bank of America has hired Stefan Yurica as a principal in institutional equity derivative sales from a similar role at Morgan Stanley. He starts today, reporting to Dean Curnutt, head of the group, who was unavailable for immediate comment. Melissa Fox, spokeswoman, said Yurica is replacing Darol Ryan, who left for JPMorgan (DW, 4/13). Fox said Yurica's responsibilities are expanded over Ryan's, but did not comment on specifics. Mary Claire Delaney, Morgan Stanley spokeswoman, declined comment on a replacement.