There are many reasons to both buy and sell First Solar (NASDAQ:FSLR), but in this video, our analysts discuss a few reasons investors should look into selling this solar company.

Operationally, First Solar is becoming less efficient. Its competitors are catching up technologically, and revenues have been slipping while costs have been rising. Seeing a net loss over the past seven quarters has to be a cause for worry among existing shareholders and should be noted when looking at this company as a possible investment.

Joel South, Taylor Muckerman, and The Motley Fool has no positions in the stocks mentioned above. Motley Fool newsletter services recommend First Solar and Suntech Power. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.