Global Market Overview from MARKETS 12:40pm

Shares extend losses on Greece fears

A European Union flag, left, flies with the Greek national flag at the foot of Acropolis hill in Athens

Euro dips below $1.27 and Bund yields hit record lows

The logos of the Facebook (L) and Instagram (C) apps ©EPA From COMPANIES 11:33pm

GM to pull back on Facebook advertising

aises questions over business model ahead of IPO

From COMPANIES 9:00pm

Bankers discuss curbing rating agencies

CFOs consider limiting flow of privileged information

HTC One X From COMPANIES 9:15am

US customs review delays HTC phone sales

Smartphone patent wars deal blow to Taiwan group

From COMPANIES 5:48am

GE to buy Australia’s Industrea for A$700m

US group builds up business serving resource industries

From COMPANIES 9:07pm

DoJ probes $2bn JPMorgan trading loss

Dimon says bank could claw back pay after trading losses

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