Apple (AAPL) is scheduled to report quarterly earnings after the closing bell today, with traders anticipating a sizable move from the iPhone maker's stock. Current options pricing suggests traders are expecting the shares could move 4% in either direction by the end of Friday’s trading session from their recent level at $209.

Apple's stock has been slumping, down more than 16% so far this year. Among "Magnificent Seven" components, only Tesla's stock has done worse. Can earnings help change the tune? One issue is that investors may not get a lot of answers to their burning questions on the call.

U.S. stock futures ticked lower on Friday, adding to earlier losses, after the July jobs report showed just 73,000 new jobs were created last month, while readings from prior months were revised sharply lower.

Stock futures remained sharply lower and Treasuries rallied after the U.S. economy added fewer jobs in July than economists expected. The U.S. economy added 73,000 jobs, which was below the consensus estimate on FactSet of 115,