On CNBC's “Mad Money Lightning Round,” Jim Cramer recommended selling Klarna Group PLC (NYSE:KLAR) and buying Affirm Holdings Inc (NASDAQ:AFRM) .On the earnings front, Klarna reported third-quarter losses of 25 cents per share on Nov. 18, beating the market estimate of a 33-cent loss. The company also reported quarterly revenue of $903 million, which beat the market estimate of$881.898 million.Looking ahead, Klarna set fourth-quarter revenue guidance of $1.065 billion to$1.08 billion, compared to the $1.0 ...