week in review The world's largest social-networking company finally went public -- but the event lacked the punch many had expected from the third-largest IPO in history.
After a 30-minute delay in the stock's anticipated opening, shares took observers on a bit of a rollercoaster ride, shooting up to $43.20 from their $38 opening and then dropping back down to a break-even price.
The company raised $16 billion on the sale of 421.2 million shares in the offering, putting it at a valuation of $104.1 billion.
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