Home Computer Elon Musk Calls Yahoo Finance ‘Dumb’ for Limited Research and Attacking Tesla;... ComputerSoftware Elon Musk Calls Yahoo Finance ‘Dumb’ for Limited Research and Attacking Tesla; Twitter Fans Back Him Up By admin - September 24, 2020 75 0 Facebook Twitter Google+ Pinterest WhatsApp Elon Musk publicly calls Yahoo Finance ‘Dumb’ on Twitter! Why did he and fans go against Yahoo Finance?