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Greece's last-minute overtures were not enough to save the country from defaulting on a loan with the International Monetary Fund.
Greece itself isn't terribly important; the problem would be possible contagion if it exits the euro, Julian Robertson said.
The Greece crisis may see it exit the euro zone, but this does little to change the U.S. rate outlook, say analysts.
A referendum on Greece's bailout isn't needed because consensus already exists, former Greek Prime Minister George Papandreou said.
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Anna Diamantopoulou, former education minister for Greece's PASOK party, tells CNBC that she's confident Greeks will back bailout conditions.
Ashok Shah, director of London & Capital, says it's premature to buy European equities on the back of Greek drama.
Hendrik du Toit, CEO of Investec Asset Management, discusses the impact of Greece and its upcoming referendum will have on markets.