Apple warns of supply constraints, overshadowing record quarter

Apple Inc. warned that supply constraints would cost the company $4 billion to $8 billion in the current quarter, sending the shares down and casting a pall on record-setting results that the company just reported. (Dreamstime/TNS)

Apple Inc. warned that supply constraints would cost the company $4 billion to $8 billion in the current quarter, sending the shares down and casting a pall on record-setting results that the company just reported.