NEW YORK, Dec 18 (Reuters) - A federal judge said Facebook Inc, Chief Executive Mark Zuckerberg and dozens of banks must face a lawsuit accusing the social media company of misleading investors about its financial health before its $16 billion initial public offering last year.
In a decision made public on Wednesday, U.S. District Judge Robert Sweet in Manhattan said investors could pursue claims that Facebook concealed material information from its IPO registration statement.
Investors alleged that Facebook should have disclosed its internal projections on how increased mobile usage and product decisions might reduce future revenues, among other things.
The defendants argued that Facebook had no obligation to make the disclosures, which they called immaterial, even though it had provided such projections to its underwriters' analysts.
In an 83-page decision dated Dec. 11, Sweet said higher mobile usage had already had a "material negative" impact on revenue, and that the company should have disclosed more about the relationship.
"The company's purported risk warnings misleadingly represented that this revenue cut was merely possible when, in fact, it had already materialized," Sweet wrote. "Plaintiffs have sufficiently pleaded material misrepresentation(s) that could have and did mislead investors regarding the company's future and current revenues."
A spokeswoman for Menlo Park, California-based Facebook had no immediate comment. A lawyer for some of the investors did not immediately respond to requests for comment.
On Monday, Sweet issued a decision that investors could also pursue claims accusing Nasdaq OMX Group Inc of concealing technology problems that led to difficulties in processing trades on May 18, 2012, Facebook's first day of trading.
Sweet is overseeing nationwide litigation arising from the IPO.
Facebook went public at $38 per share. Its share price rose as high as $45 on the first day, but quickly fell below the offering price and stayed there for more than a year.
Facebook is now profitable, and is expected to join the Standard & Poor's 500 index after the close of trading on Friday.
The case is In re Facebook Inc IPO Securities and Derivative Litigation, U.S. District Court, Southern District of New York, No. 12-md-02389.