Integrys Energy Group - The company rallied after agreeing to be acquired by Wisconsin Energy for $5.71 billion in cash and stock.
Lululemon Athletica - The yogawear retailer surged on reports its founder was weighing options and pressing for changes.
Meritor -The transmissions company slid after Eaton bypassed a possible $2.4 billion damage claim from Meritor by agreeing to pay $500 million to avoid a jury trial that was scheduled to start Monday.
Micros Systems - The maker of software used by retailers and hotels jumped after Oracle agreed to purchase it for about $5.3 billion.
Tesla Motors - The maker of electric cars gained after Morgan Stanley analysts called the company the most important automaker in the world.
(Read More: See CNBC's Market Insider Blog)
—By CNBC's Kate Gibson
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