A security officer keeps watch outside the headquarters of China National Offshore Oil Corp (CNOOC), China's top offshore oil producer, in Beijing in this February 19, 2008 file picture.   REUTERS/Claro Cortes IV/Files    CNOOC agreed to pay $1.1 billion for a stake in a U.S. shale oil and gas field, testing the U.S. political climate with a deal for assets once deemed off limits to the Chinese due to protectionist sentiment. *View article *View factbox on China M&A activity

Rival bids for Potash look unwieldy, analysts say, which leaves Potash alone to defend itself from BHP’s $39 billion offer. *View article *View timeline

The private equity industry is bouncing back and has a strong presence in UK mergers and acquisitions, according to the FT. *View article

The New Yorker looks at the evolution of the video business, what went wrong with Blockbuster and what’s in store for Netflix. *View article