Narwhal Capital Management boosted its position in Cisco Systems, Inc. (NASDAQ:CSCO – Free Report) by 1.6% in the first quarter, Holdings Channel.com reports. The firm owned 286,220 shares of the network equipment provider’s stock after acquiring an additional 4,630 shares during the quarter. Cisco Systems makes up about 1.9% of Narwhal Capital Management’s holdings, making […]