Walmart's expanded partnership causes Affirm stock to surge over 15%.

• After announcing its partnership with Walmart for self-checkout, Affirm's stock increased by more than 15%.
• Customers can use the buy now, pay later Affirm feature at more than 4,500 stores in the U.S. when using the self-checkout.

On Tuesday, the stock of the company that announced it is expanding its partnership with to self-checkout kiosks in more than 4,500 of its U.S. stores, popped more than 15%.

After losing 90% of its value in 2022, Affirm's shares have surpassed their initial public offering price of $49 for the first time since early last year with a 400% increase in value this year, making it one of the best performers in the U.S. stock market.

Customers can now use self-checkout kiosks to purchase goods online and in stores from Walmart by pre-applying for credit and scanning a barcode.

Affirm's senior vice president of revenue, Pat Suh, stated that more than half of Americans (54%) are seeking retailers to provide a buy now, pay later option at checkout. Additionally, Suh revealed that 76% of consumers would either delay or not make a purchase without Affirm.

Affirm also has partnerships with Walmart and .