Solana DEX's trading volume dropped to $2.61 billion on February 16, the lowest since mid-December.Raydium and Orca experienced significant decreases in volume, while Meteora saw an 18% increase.Solana's DEXs recorded a total trading volume of $20.2 billion for the week ending February 16, continuing a five-week decline.The decrease in Solana's DEX volume can be attributed to the fading enthusiasm for meme coin trading and other market pressures.