The exchange was ordered closed and did not reopen until Dec. 12.
MCA's share price was then at $50, and the exchange did not reopen trading yesterday.
The exchange reopened on Wednesday 23 March after being closed for almost 8 weeks.
The market's fall occurred when the exchange reopened Wednesday after a 15-day employee strike.
With Britain enjoying a three-day weekend, the real test will not come until Tuesday when banks, exchanges and businesses reopen.
Neal Sheehan, the town's environmental facilities director, said that the exchange would reopen soon but not until he figured out how to maintain order.
The exchange, which had been closed since the attack, reopened three days later on the following Monday, as promised.
When the exchange reopened on 14 October, the stock index fell by 76%.
On January 9, 2013 it was announced that the TradeSports brand would be revived, and the exchange reopened.
The exchange may reopen later next week.