This company is doing far better than most of Wall Street realizes. Fintech card issuer Marqeta (MQ -0.19%) went public in the summer of 2021, and the market has mercilessly sold it down ever since. The stock peaked near 33shortlyafteritsIPObuthasdriftedaslowas3 and is hanging around 5today.Investorsshouldbecarefulaboutlettingpriceactiondefinethecompanybehindthestock.WasMarqetaexpensiveatover30? Did the stock deserve to trade for a few dollars per share? The truth is usua ...