Xerox (XRX): More than 20,000 October 9 calls were bought for $0.23 as investors look for upside in the stock. XRX fell 0.25 percent to $7.90.
Schlumberger (SLB): Investors bought more than 15,000 May 65 puts, most of which priced for $0.22 and $0.23, looking for downside in the stock. SLB rose 1.72 percent to $73.96.
Morgan Stanley (MS): Some 20,000 May 19 calls were sold for $0.05 as an investor unloaded an existing position. MS fell 1.95 percent to $17.06.
Corning (GLW): More than 80,000 January 17.50 calls were bought for $0.40, but volume was below open interest in the strike. GLW rose 5.69 percent to $14.11.
