The NASDAQ is trading up about 0.5 percent this morning, but shares of Apple are down 1 percent. I suspect that's mostly because rumors, however unsubstantiated, are circulating that Steve Jobs, currently out of medical leave, will be stepping down as CEO. Rumors like this have been started before, but they eventually have to be right.

The rumor is 100% unsubstantiated. It's probably totally bogus. We just heard it, and it's something people are discussing, so we thought we'd pass it along.

We just saw Steve Jobs on stage presenting iPad 2 a few weeks ago. Any talk of him stepping down now seems odd because he looked relatively healthy.

Another potential reason for Jobs talk to kick up today: There is a new photo of him on the web looking thin, but we've all seen photos like that before.

Read the full story at Business Insider.