 Northwest Bancshares, Inc. NASDAQ:NWBI saw unusually large options trading activity on Thursday. Investors acquired 5,054 call options on the company. This represents an increase of 4,295 compared to the average daily volume of 115 call options. NASDAQ:NWBI opened at 9.70 on Friday. The company has a debt-to-equity ratio of 0.27, a current ratio of 1.03 ... 