U.S. telecom groups, AT&T seek to block new Internet rules

By Alina Selyukh WASHINGTON (Reuters) – U.S. telecom industry groups, alongside AT&T Inc and CenturyLink Inc, called for regulators to block parts of new rules for Internet service providers on Friday, citing “crushing” compliance costs and threats to investment.

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LinkedIn follows Twitter, shocks social media investors

Shares of LinkedIn Corp, operator of the most popular social network for professionals, fell 20 percent in early trading on Friday, wiping out more than $6 billion of market value, after the company slashed its full-year forecast. LinkedIn reported on Thursday its slowest quarterly revenue growth since it went public four years ago. The surprisingly weak results followed Twitter Inc's on Tuesday.

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