Google's Schmidt was seated at one end of the table, Bartz at the other, while Ellison sat across the table from Obama.

Not present at the dinner were big-name technology CEOs including Intel's Paul Otellini, HP's Leo Apotheker and Microsoft's Steve Ballmer. Ballmer, however, and attended a state dinner for visiting Chinese President Hu Jintao.

Obama is slated to meet with Otellini later today when he tours an Intel chip fabrication plant in Hillsboro, Ore.

As of 2:45 p.m. Friday, Apple shares were down $7.48, or 2%, from the opening bell. Some experts have said that renewed talk of Jobs' health -- and Apple's refusal to make public a succession plan -- have contributed to the price decline.

"In many ways, people who have purchased stock in Apple were really buying into the vision, talents and unquestioned leadership of Steve Jobs," said Michael Robinson, who heads the corporate and public affairs practice at Washington, D.C.-based crisis communications company Levick Strategic Communications, in a . "Now, those holding shares in the nation's second most valuable company simply don't know if, or for how long, that leadership will continue to pay dividends."