Twitter continues surge, market cap tops $40 billion
Shares in Twitter rose 6 percent to a fresh all-time high on Thursday, bringing the stock close to having tripled from its November IPO.
(What are Twitter shares doing now? Click here)
With a market capitalization of $40 billion, Twitter is now more valuable than a huge chunk of the S&P 500 -- so big, in fact, that the Wall Street Journal reported it would be among the top 100 companies in the index.