UPDATE 2-Deals of the day -- mergers and acquisitions

** Russia's TNK-BP TNBPI.RTS, in which oil major BP (BP.L) has a 50 percent stake, said on Thursday it was considering buying BP's Venezuelan assets. [ID:nWLA9690]

** Private equity firm Golden Gate Capital has increased its stake in Zale Corp (ZLC.N) and become the jewelry store operator's largest shareholder. [ID:nN29101444]

** Private equity firm American Securities is bidding for California Pizza Kitchen Inc CPKI.O, two people familiar with the situation said. [ID:nN28201913]

** German flagship carrier Lufthansa (LHAG.DE) has no plans to sell British low-cost unit bmibaby or break up the bmi group [BMID.UL], bmibaby's managing director said. [ID:nWEA2066] (Compiled by Rachel Chitra and Siddharth Cavale in Bangalore)