Consumer-facing sectors such as hotels, leisure and retailers have particularly been under pressure, advisory firm Begbies Traynor said.
The incidents are thought to be connected to a large-scale military exercise being carried out by the Islamic Revolutionary Guard Corps.
Rangers are 13th in the new league phase with 11 points from seven fixtures and have secured at least a place in the play-off round ahead of the final tie against Belgian side USG at Ibrox next ...
Bebe King, six, Elsie Dot Stancombe, seven, and nine-year-old Alice da Silva Aguiar died in the attack by Axel Rudakubana.