Yesterday, an extended IPO share lock-up expired, leading some early investors to sell shares into the open market.

FORBES: Stocks Shoot Higher As Data Reinforce Recovery Strength

With the biggest share lock-up expiration out of the way, it seemed like believers in the Facebook story found it safer to buy into the stock.

FORBES: What A Week For Facebook: The Stock Rises Another 6% On Friday

Facebook (NASDAQ:FB) has been one of the strongest stocks in the market over the past three weeks following the expiration of an 800 million share IPO lock-up period.

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The lock-up period for those shares ended two weeks ago, coinciding with a 13% slide in the company's share price.

FORBES: Pulling Click Commerce From Weak Hands

It will gain a fixed-line arm, but that is no recompense for what it will give up: its lock on the massive mobile market, encompassing two-thirds of Chinese customers and an even higher share of new subscribers.

ECONOMIST: Telecoms in China