Taxi drivers protest as rule-free private cars take fares across London, say Olga Kharif and Amy Thomson.

Shares in King Digital Entertainment fell as much as 15% in their debut yesterday, underscoring concerns about the firm’s reliance on Candy Crush Saga and dashing hopes its coming-out party would revive investor interest in the mobile gaming sector.

As people expect faster communication, email as we know it seems doomed, says John Hearne

Stiff competition, a lack of direction and falling profits pose major questions about whether Yahoo has a future, John Hearne reports