Normal 0 false false false MicrosoftInternetExplorer4 Silicon Graphics International Corp (NASDAQ: SGI) stock gave back 2.2% to $12.69, after Sterne Agee upgraded shares of SGI from a neutral rating to a buy rating in a research note issued to investors on Jan. 25. The firm currently has $19.00 target price on the stock. Share volume was 80,000, compared to an all-day average of 291,000 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;}