Cost Plus Inc., up $3.94 at $21.93
Retailer Bed Bath & Beyond said it is buying the home goods retailer for about $495 million to offer a bigger variety of products.
SodaStream International Ltd., up $7.71 at $36.90
Growing demand for the company's fizzy drink machines propelled first-quarter profit up 84 percent. The company also lifted its 2012 outlook.
Jazz Pharmaceuticals PLC, down 80 cents at $49.57
The biopharmaceutical company said that its net income grew 27 percent in the first quarter after it merged with Azur Pharma.