Coinspeaker AMD Stock Rises 0.6% in Pre-market, Three Ryzen ‘XT’ Processors AnnouncedThe AMD Ryzen 9 3900XT, Ryzen 7 3800XT, and Ryzen 5 3600XT will be available starting from July 7. These processors come bearing faster clock speeds than their existing counterparts for the same price. AMD stock is up.AMD Stock Rises 0.6% in Pre-market, Three Ryzen ‘XT’ Processors Announced