SOUTH AFRICA

Twitter co-founder Biz Stone, at center in 2013 photo at the New York Stock Exchange debut of the social network, is flanked by co-founders Jack Dorsey, at left, and Ev Williams. Stone is returning to work at Twitter after a six-year hiatus |
Twitter shares rise on word of Biz Stone's return

SAN FRANCISCO - Twitter shares gained Tuesday on word that co-founder Biz Stone was returning to the social network after six years away.

18 May 2017