Billionaire abandons gold for ‘hard asset’ [https://www.thestreet.com/.image/t_share/MjE0NzA3NjI0MDgyNDE3NDQ0/gettyimages-2198436143.jpg] Billionaire abandons gold for ‘hard asset’ Mexican billionaire Ricardo Salinas reveals 70% of his portfolio is in Bitcoin, urging investors to think long-term and "buy as much as you can." [https://www.thestreet.com/crypto/markets/billionaire-abandons-gold-for-this-hard-asset]