Chevron Corp (CVX.N) plans to invest $2 billion to develop its Lianzi oilfield straddling the maritime border between Republic of Congo and Angola, a company official said on Sunday.

Boeing Co (BA.N) said on Sunday The National Transportation Safety Board is investigating an issue with an engine on a 787 Dreamliner following an incident at Charleston International Airport during a preflight test on Saturday.

Federal Reserve Bank of Chicago releases at 1230 GMT its Chicago Fed Midwest Manufacturing Index for June. The index read 93.4 in May.

General Motors Co (GM.N) ousted its global marketing chief Joel Ewanick a little more than two years after he joined the company to lead an overhaul of its marketing strategy.

Apple Inc (AAPL.O) and Twitter are currently not in discussions on the mobile technology giant taking a stake in the popular social networking site, sources familiar with the matter said.

Jury selection is due to begin on Monday in the United States in a high stakes patent battle between Apple Inc (AAPL.O) and Samsung Electronics Co Ltd (005930.KS), the culmination of over a year of pretrial jousting with billions of dollars in the balance.

Major companies announcing results on Monday include Anadarko Petroleum (APC.N), Franklin Resources (BEN.N) and Eastman Chemical Company.

European stocks extended early gains on Monday, with the FTSEurofirst 300 .FTEU3 of top shares rising 0.9 percent to hit a four-month high, on hopes the European Central Bank and the U.S. Federal Reserve might signal new measures at this week's meetings to support their fragile economies.

On Friday, the Dow Jones industrial average .DJI climbed 187.73 points, or 1.46 percent, to close at 13,075.66. The Standard & Poor's 500 Index .SPX advanced 25.95 points, or 1.91 percent, to finish at 1,385.97. The Nasdaq Composite Index .IXIC gained 64.84 points, or 2.24 percent, to end at 2,958.09.

(Reporting by Atul Prakash; Editing by Hugh Lawson)

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