Perrigo Company (PRGO) is the nation's largest manufacturer of store brand over-the-counter (non-prescription) pharmaceutical products, and it manufactures store brand nutritional products.

Perrigo enjoyed strong upward momentum this week, ascending 7.33% Thursday after Wednesday's 2.93% gain and a 3.60% increase on Tuesday. The company was the subject of an analyst upgrade a few days ago.

Prior to the upgrade, PRGO announced that it acquired drug and nutritional products maker JB Laboratories for about $44 million in cash. The company mentioned that the acquisition is expected to add more than $70 million of annual sales.

Perrigo announced record fiscal fourth-quarter results in mid-August. The company's profit increased by 46% thanks to the hike seen in demand for its consumer health care products.

Record net sales of $500.2 million jumped 34% year-over-year, while net income of $27.5 million climbed from last year's $18.8 million.

Management noted that this was the third

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