First Solar tanks after huge restructuring charge

First Solar shares are down over 7% after the solar equipments supplier reported a substantial 4th quarter loss of ($6.92) per share, against consensus estimate of a $1 profit.
The sharp slump after the earnings release adds to the share's lackluster performance over the last year, losing almost half its value.
A huge pre-tax restructuring charge of $729 million in the 4th quarter, compared to just $4 million in the 3rd quarter, was to blame. If restructuring and other charge