News roundup: Monday's top stories

**The top Irish and international business stories on Monday:**

**Merkel** says fiscal pact not up for re-negotiation.

**Government** to press ahead with referendum - Gilmore.

**EU** says Greece needs "stable" government.

**European shares** reverse early losses.

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**Tullow** finds more oil in Kenyan well.

**European** investor confidence falls to three-year low.

**German** factory orders beat forecasts.

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**Warren Buffett** buying stocks in market dip.

**Euro Disney** reports loss as visitor numbers slip.

**Shares** ...