M&A & Investments BT has sold its Radianz assets to Transaction Network Services (TNS), an ‘ultra-low latency’ trading specialist that focused on high-speed transaction networks and data. No price has been given, but Radianz posted annual revenues of around £142 million ($191 million) last year. Optus has agreed to sell some 340 towers to Waveconn, under a sell-and-leaseback agreement in Australia. No price has been given. In the AI startup world, Anthropic has been valued at $183 billion, in its latest $13 billion funding round – around a fifth of annual global telecom revenue, for context. State-owned Poste Italiane has been given permission by Italian regulator AGCM to acquire Vivendi’s 15% stake in TIM – bringing its combined total to…