Oracle Corp. agreed to buy Micros Systems Inc. for $5.3 billion as Chief Executive Officer Larry Ellison seeks to reignite slowing growth by adding software for hotels and restaurants.
Merck & Co., the second-biggest U.S. drugmaker, agreed to buy Idenix Pharmaceuticals Inc. for about $3.85 billion to expand its experimental pipeline for hepatitis C treatments.
Dell Inc., the world’s third-biggest maker of personal computers, is going private in a deal valued at $24.4 billion, undertaking the biggest leveraged buyout since the financial crisis.