Nanosphere (NSPH) Gets an 'Outperform' Rating

Nanosphere (NSPH) got an upgrade to 'Outperform' at Cowen & Co. NSPH closed today (02013.04.22) at $2.69 after hitting an intra-day high of $2.74. NSPH had an intra-day low of $1.72 on 0203.02.14 (i.e. just over two months ago). A couple of days after this low there was some insider buying at $1.965. 52-week range: $1.51 - $3.89.