But it’s not all been bad news. Aim's larger companies have fared better in the immediate post referendum period, and the junior market as a whole has outperformed the FTSE 250.
Like the FTSE there have been companies that are in a position to weather the storm better, or even benefit from the post-vote fallout. Pharmaceutical companies and those which benefit from the strengthening price of precious metals, have done well. GW Pharmaceuticals (GWP) and Vernalis (VER) have performed strongly, and pawn broker H&T Group (HAT) has benefited from the rising gold price. Furthermore, the downturn in the index has provided some opportunities for bargain hunters.