LinkedIn CEO Jeff Weiner says this past quarter was a transformative one for the business network, and investors seem to agree. Bottom line: the changes LinkedIn has made are working. Not only has the company overhauled its profiles, giving members notifications when people are interacting with their contact, but endorsements have been a huge driver of activity—nearly 1 billion have been generated. And the addition of "influencers" has "exceeded all expectations," says Weiner. Now he says, the company is tackling the "600 million knowledge workers in the world.
The stock shot 10 percent higher after the company reported 81 percent higher revenue of $304 million, and non-GAAP diluted EPS of 35 cents. That's up from 12 cents a year ago and far better than the 19 cents expected. The company's outlook for the first quarter was better than expected, though the full-year guidance was a bit lighter than anticipated. That didn't shake Wall Street's confidence, as the professional network has established quite a trend: results have beaten expectations for the seventh consecutive quarter since the IPO.
(Read More: Where Do LinkedIn's Biggest Influencers Work?)