Home/News/Market context Source: Investing.com ↗ Protagonist Therapeutics authorizes $300 million buyback plan Published Sep 08, 2026 20:08 UTC | Translation unavailable. Please try again. Original report Read the original report on Investing.com ↗ Recommended marketsNo specific asset was identified in this report; browse live USDT reference pairs.Browse markets → USDC/USDT $1.00 -0.01% BTC/USDT $86,158.01 +0.98% ETH/USDT $2,743.41 +0.67% ZEC/USDT $1,625.83 +7.61% XRP/USDT $1.62 +6.72%