Facebook shares rose $1.16 to $20.59 in pre-market activity, trimming the loss in post-IPO activity to only 49 percent.
Zuckerberg, 28, spoke Tuesday to a conference of TechCrunch, a unit of AOL Inc. (NYSE: AOL), where he said, "We care about our shareholders," and said the Menlo park, Calif., site was building "a mission and building a business." He said the company would improve its search function, likely wouldn't develop a smartphone and urged customers and investors to judge its performance, not stock price.
TechCrunch posted video of the Facebook CEO's remarks on its website.

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