Chesapeake (CHK): More than 14,000 September 14 puts were bought for $0.55 to $0.64 as investors look for the stock to push lower. CHK rose 3.59 percent to $17.90.
General Electric (GE): Investors purchased almost 12,000 September 21 calls, most of which priced for $0.30, but volume was far below previous positioning in the contract. GE rose 2.10 percent to $20.42.
Dell (DELL): More than 10,000 January 15 calls were purchased for $0.19 as investors look for upside in the share price. DELL rose 3.13 percent to $11.85.
Bank of America (BAC): Some 19,000 August 8 calls were purchased, mostly for $0.04 and $0.05, but volume was below open interest at the strike. BAC rose 1.56 percent to $7.18.
