John B Sanfilippo, a US nut snacks firm, has announced that it has acquired roasted nut and snack mix firm Squirrel Brand for $31.5 million. Squirrel Brand is described as one of the leading suppliers of roasted nuts and snack mixes under the Squirrel Brand and Southern Style Nuts brands. Products are sold through grocery chains, warehouse clubs and mass merchandisers, in addition to a number of other channels. Squirrel Brand is reported as posting net sales …