Its shares are 7 per cent below their flotationprice two years ago and virtually every crucial executive post at the social network has turned over since the listing.
其股价较两年前发行价低7%，自上市以来，这家社交媒体公司的几乎每一个关键高管职位都换人了。
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The firm's share price has risen 50% since the IPO. Companies could also use the money from a flotation to expand abroad more rapidly, or to poach talented lawyers from rivals.
The flotation was notable as the strongest-performing debut in the United States since 2007, with the issuer's share price surging by 89 percent during first-day trading.