STOCKHOLM (Reuters) -Ericsson on Tuesday reported a fall in fourth quarter operating profit but beat expectations as the telecom equipment supplier increased its margin in a market where demand for 5G gear is growing slowly. Operating profit (EBIT) excluding restructuring charges for the October-December period fell to 7.37 billion Swedish crowns ($706.99 million) from 8.08 billion crowns a year earlier, while analysts in an LSEG poll had expected 6.92 billion. Telecom suppliers are expecting a challenging 2024 as 5G equipment sales – a key source of revenue – are slowing down in the key North…