European equities closed higher on Wednesday, following some positive economic data for the euro zone.
Billionaire investor Warren Buffett told CNBC that if Greece ended up leaving the euro zone, "that may not be a bad thing for the euro."
Russia faces five years of economic stagnation, the country's former finance minister warned President Vladimir Putin.
European equities closed down on Tuesday as investors reacted to fresh economic data from the euro zone and booked some profits after a stellar rally in the previous session.
Deflation in the euro zone eased in March, prompting hopes that the region's trillion-euro stimulus program was taking effect.
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