1. "My trigger finger is itchy," Warren Buffett told investors in February. This month, Berkshire Hathaway (BRK.A) bagged Lubrizol (LZ), the world's largest producer of lubricant additives, in a $9 billion deal.
2. Spain's Iberdrola, the world's No. 1 wind-energy company, is selling a $2.8 billion stake to sovereign wealth fund Qatar Holding.
3. U.S. oil refiner Valero Energy (VLO) is paying $1.7 billion for Chevron's (CVX) Pembroke refinery in Wales, gaining its first European facility.
4. 99 cents Only Stores received a buyout offer of $1.3 billion from its founders and the private equity firm Leonard Green. Dollar stores have become takeover targets because they are luring shoppers away from traditional retail chains.
5. State-run Sberbank, Russia's largest lender, agreed to pay at least $1 billion for Troika Dialog to expand into investment banking.
6. Canada's White Tiger Gold offered $763 million for Century Mining, a Blaine (Wash.) company that has gold mines in Québec and Peru.
7. British oil major BP (BP) bought a controlling stake in Brazilian ethanol producer Companhia Nacional de Açúcar e Alcool, for $680 million.
8. Nippon Life Insurance will acquire a 26 percent stake in Reliance Life Insurance, for $679 million. Japan's No. 1 insurer by assets, Nippon wants to tap into the fast-growing Indian market.
9. Walt Disney's (DIS) new 3D animated feature, Mars Needs Moms, took in just $6.9 million during its North American premiere weekend, putting the film, which cost an estimated $150 million to make, in contention for the title of biggest movie flop of all time.
10. A double-barreled elephant gun that belonged to Ernest Hemingway fetched $339,250 at a firearms auction in Fairfield, Me.