The mounting concerns about overnight interbank rates and the commercial-paper market have led many investors to argue that the Fed should cut rates to restore calm.
However, Labour's Andy Kerr said Holyrood was responsible for some of the "key decisions", such as the combined ballot paper, that led to the election problems.
"The Tony Martin case lit a touch paper that has led to an explosion of anger and resentment among millions of law-abiding British people who no longer feel the state is on their side, " he said.