Apple has "No Comment" on Steve Jobs Health Rumors (Barrons) at 2:57 PM PST

A spokeswoman for Apple (AAPL) today said the company was not going to respond to rumors and speculation about the health of CEO Steve Jobs. Four years ago, Jobs had surgery for pancreatic cancer. The spokeswoman would not discuss speculation that he may have had a recurrence.

Concerns about Jobs cropped up on Monday following his keynote address at the company’s Worldwide Developers Conference in San Francisco. As I noted in a post on Tuesday, Jobs looked to some observers to be unusually thin. Apple on Tuesday said that Jobs had recently had a “common bug” that was treated with antibiotics, which the spokeswoman noted again today.

But rumors about his health have persisted over the last several trading days, and are weighing heavily on Apple shares today. AAPL is off $7.73, or 4.3%, at $173.08.