Raydium (RAY) has become one of the strongest-performing major Solana ecosystem tokens this week, nearly doubling in price as several developments bring new activity directly to the decentralized exchange. RAY is up roughly 95% over the past seven days, climbing from around $0.85 to approximately $1.67 at the time of writing. The token is also up more than 20% today, while trading volume has increased substantially alongside the rally.