Computer graphics pioneer NVIDIA is acquiring UK-based mobile chip specialist Arm in a deal that's valued at $40 billion (approximately £31 billion). It's buying Arm Ltd from SoftBank, which acquired the company four years ago.
Tech retailer Dixons Carphone plc - the company behind the Currys PC World and Carphone Warehouse brands in the UK - has announced plans to 'streamline' its store management, with up to 800 jobs expected to be cut across shops in the UK and Ireland.
UK telecoms regulator Ofcom has detailed some of the practical measures that phone, broadband and pay TV companies could adopt to protect vulnerable customers.
Two of the world's communications giants have agreed to merge their UK operations. Liberty Global will combine its Virgin Media UK broadband network with Telefonica's O2 UK mobile business.
UK communications regulator Ofcom has launched a government-backed information campaign to help mobile users and broadband customers to get the best from their connections.