(Bloomberg) -- Ericsson AB shares fell to the lowest in six years after it said market weakness will persist into the fourth quarter and beyond, as the company struggles to counter reduced investment in fifth-generation mobile infrastructure from US and European operators.Most Read from BloombergIsrael Latest: Blinken Works on Gaza Aid as Biden Set to VisitYour Guide to Understanding the Roots of the Israel-Hamas WarPutin Arrives in China to Meet Xi on Rare International TripIsrael Latest: Army