
Fiserv (FI) stock suffered its worst trading day ever on Wednesday, plunging 44% after the fintech giant slashed earnings guidance and overhauled its leadership team. The selloff forced Goldman Sachs to downgrade the stock and reduce its price target by 55% to $81. Valued at a market capitalization of $35.4 billion, FI stock is currently priced at $66 and is down 73% from its all-time high.