Top gold holder doubles down on precious metal [https://www.thestreet.com/.image/t_share/MjE4NzQ2NDQ1NzAyODk5MzAy/gettyimages-1360398925.jpg] Top gold holder doubles down on precious metal Tether increases its gold holdings during the last quarter. [https://www.thestreet.com/crypto/markets/top-gold-holder-doubles-down-on-precious-metal]