STOCKHOLM (Reuters) - Telecoms equipment maker Ericsson beat quarterly earnings expectations on Thursday and lifted its market forecast for this year and its sales target for 2020, saying demand for superfast 5G networks was taking off more quickly than expected. 5G networks are at the centre of a brewing technology war between United States and China, as they are expected to host critical functions from driverless vehicles to smart electric grids and military communications, underscoring their..