The Aspen Fire had charred more than 12,400 acres by today on Mount Lemmon just north of Tucson , and more than 250 homes had been destroyed .
The fire has so far charred 11,400 acres on Mount Lemmon just north of Tucson , and more than 250 homes have been destroyed .
Also hurting was news General Motors GM.N was to issue $ 10 billion in debt , in part to plug a hole in its pension plan .