Twitter’s shares got off to a flying start on the NYSE, but can the company make money, asks Kyran Fitzgerald.

Investors don’t care about retweets, they only care about making money. So what's next for Twitter after the second-largest tech IPO in history?

Shares in Twitter have gone on sale to the public for the first time, instantly leaping more than 70% above their offering price in a dazzling debut that exceeded even Wall Street’s lofty hopes.