Steve Jobs is back at work after 5.5 months of medical leave.

Apple stock was $85.33 when he announced he was taking medical leave back in January.

And now it’s $141.97 the day he return to work.

That showed how important this one man is to Apple.

The 54 year old is still in recovery after his liver transplant.

Jobs had decided to work from home and office while still in recovery.