- Facebook floated in May last year valued at $100bn, but its share price fell sharply - blamed partly on Nasdaq technical issues. Shares have since recovered and the company is now valued at more than $120bn.
- LinkedIn shares soared after its 2011 flotation on the New York Stock Exchange, almost doubling its expected valuation to $8.5bn. Today it is worth more than $26bn.
- Lastminute.com shares slumped after floating in 2000. It was bought out five years later for £577m, less than half the flotation price.
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