Cisco Systems (CSCO): Some 15,000 January 22 calls were purchased, mostly for $2.78, as investors look for upside in the tech giant. CSCO rose 0.23 percent to $24.37.
Nokia (NOK): Almost 17,000 April 5 calls were purchased, mostly for $1.57, as investors position for continued upside in the Finnish company. NOK rose 0.80 percent to $6.29.
Pfizer (PFE): A block of 17,265 December 25 puts was bought for $0.19 as investors brace for downside in the drug maker. PFE fell 0.35 percent to $28.61.
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