Sold Some Altair Nanotechnologies (ALTI) at $4.20

Altair Nanotechnologies (ALTI) closed on 02013.10.03 at $2.64. Subsequent closing prices have been $3.16 (10/04), $3.56 (10/07), $4.12 (10.08) and $5.05 (10/09). The ~91% upward spike has happened on heavy volume. I do know why ALTI is doing what is doing, so I sold some ALTI at $4.20 on 02013.10.08. The sold shares were sold at a loss; however, the shares that remain in the GDT::Portfolio are now well above water.