Affirm stock rockets 90% after IPO By: MarketWatch January 13, 2021 at 12:32 PM EST Affirm Holdings Inc. shares are surging in midday trading Wednesday after the financial-technology company made its public debut. Read More >> Related Stocks: Affirm Holdings Inc Cl A Airbnb Inc Cl A Doordash Inc Cl A Paypal Holdings Peloton Interactive Inc Renaissance IPO ETF