https://www.reuters.com/article/us-twitter-convertible/twitter-to-offer-1-billion-convertible-note-as-shares-rally-idUSKCN1J228C

Twitter is preparing a $1 billion convertible note offering, the social media hub said on Wednesday, one day after news that it would be included in the S&P 500 Index sent its shares up 5 percent to the highest price in more than three years.