(See major companies that do.) However, Apple does hire for work-at-home positions in at least one division, its AppleCare support team. Most of its home-based customer service jobs, called Apple At-Home Advisors, are virtual call center positions; however there are also separate chat agent positions.
Stress fractures heal with time and rest. Athletes are advised to rest from any activity that caused the stress fracture for the 6-14 weeks that the fractures take to heal (ask your doctor how long your particular fracture will probably take to heal), or until pain-free for 2-3 weeks.
Depending on your age...minimum of 6 weeks. I had a stress fracture this winter (third metatarsal) that went undetected for 4 weeks so I wasn't able to get the ugly shoe which I actually wanted because I figured it would stop the fracture from hurting. Took 8 weeks for that sucker to heal and it still aches sometimes.