Odaily Planet Daily News CNBC's well-known host Jim Cramer said on Monday that investors are not recommended to buy stablecoin issuer Circle Internet shares. Circle Internet's debut performance last week was impressive, with its stock price soaring 168% from its opening price of $31 to $69. Cramer believes that although Circle Internet is strong, its current stock price is "overheated." The company's valuation has soared from $5.5 billion to about $25 billion in a few weeks, and it is not a wise move to buy at this time. Moreover, Circle is still linked to the volatile cryptocurrency ecosystem, and investors may wish to wait patiently for better buying opportunities. Cramer also compared Circle's stablecoin USDC to a bargaining chip in the cryptocurrency field, saying that its business is more transparent than Tether and is a "more standardized and less suspicious version of stablecoins" supported by real legal currency reserves. He also reminded that the current IPO market "is starting to go crazy" and investors need to be cautious.