Apple may be the most valuable U.S. company, but even the clout of its $2.5 trillion market value nor its cash war chest of close to $200 billion were enough to keep the supply chain beast at bay. This as the Cupertino, California-based tech giant said Thursday afternoon (Oct. 28) that its latest quarterly earnings results took a $6 billion supply chain hit and warned analysts and investors that things were going to get worse before they get better.