The firm also increased its adjusted earnings estimates for fiscal 2015 on the retail drug store chain to $3.65 per share from $3.40 per share.
Shares of Walgreen are higher by 0.51% to $ 76.90 in pre-market trading this morning.
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Credit Suisse said it upped its numbers on Walgreen based on the company's long term growth opportunities.
The firm has a "neutral" rating on the stock.WAG data by YCharts