Klarna CEO Sebastian Siemiatkowski said it was a "very special" moment after the company was given a $19.5 billion valuation after going public Wednesday

Shares of the buy-now-pay-later company rose more than 30% on Wednesday due to the company raising $1.37 billion in its initial public offering. The stock opened at $52 per share, which was higher than its expected $40 pricing.

"It is a fantastic marketing opportunity," Siemiatkowski told "The Claman Countdown" on Wednesday. "In the U.S., there's been a demand for an alternative to credit cards. People are tired of getting in debt, tired of the high interest rates that they charge and they want a better product."

The company CEO referenced a past study that found 20% of American households are doing well financially, but feel cre

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