China’s state-owned chemicals group Sinochem has approached Singapore state investor Temasek to join a consortium that may bid for Potash, sources said. It was unclear if this potential consortium will bid to buy a blocking stake or make a full counter offer. *View article

Air Products raised its bid for Airgas to $5.5 billion, the latest salvo in its hostile move on the rival company. *View article

The Justice department is looking into Google’s takeover of airline ticketing software firm ITA Software Inc, to determine whether the deal would exert too much influence on the online travel industry. *View WSJ article *View scores.org graphic on Google’s acquisitions

The WSJ takes a look at Berkshire Hathaway’s bid for Wesco Financial. “This begins as a Warren Buffett love story. The intriguing question is whether it ends that way,” reports the WSJ. *View WSJ article *View additional article on the deal