In 2007-2008, which was an era of financial unrest, effected the whole world. It was a time of financial depression
During this time, the financial industries undergone a declining number of firms but resulted in the increase of size of firms. The consolidation in the financial industry didn't halted but it progressed into fewer and larger number and larger firm sizes.
Because it became very difficult for smaller companies to keep their business moving so these companies were sold and it resulted in fewer numbers.
