Nanosphere raises $26.3 million in follow-on

Molecular diagnostics company Nanosphere Inc. (NASDAQ:NSPH) raised $26.3 million through the sale of 15 million shares at $1.75 in a follow-on underwritten by Piper Jaffray; Canaccord; and Cowen. Nanosphere proposed the offering late Thursday, when its share price was $2.01. On Friday, Nanosphere was off $0.17 to $1.84. ...