Citigroup (C): Some 12,000 September 30 calls were sold for $0.91, and an equal number of October 30 calls was bought for $1.54. Volume was below open interest, but it appears that a bullish position was rolled from one month to the next. C fell 0.40 percent to $29.57.
Microsoft (MSFT): Some 5,300 September 30 puts were bought for $0.27 as investors brace for a potential pullback in the share price. MSFT fell 0.10 percent to $30.66.
Ford Motor Group (F): More than 8,300 January 10 calls were purchased, mostly for $0.38, but volume was far below open interest at the strike. F declined 0.21 percent to $9.37.
Vale (VALE): Large trades occurred in the January 18 puts for $2.65 and the September 20 puts for $3.45. VALE fell 0.78 percent to $16.55.
