Blackberrys Stock plummet in Wall Street

Shares of Research In Motion (RIM, manufacturer of Blackberry mobile phones) lost 20 percent of their value a day after announcing that its earnings fell 58.7 percent in the second quarter of this year.

The Canadian firm said Thursday after the markets closed in the second quarter earned $329 million, compared with $797 million he earned during the same period in 2010.

So far this year, RIM titles have plummeted 58.74 percent on Wall Street due to deterioration in the figures of the company by competition from Apple's iPhone and Google's Android system.

European markets

Meanwhile, European stock markets showed mixed results in the absence of specification of the Eurogroup, which delayed until October a decision to approve the next tranche of aid to Greece, scheduled for this month.

"We will decide on the next leg in October," based on the review being conducted by the troika, comprising the European Commission (EC), European Central Bank (ECB) and International Monetary Fund (IMF) - on compliance Greece of the necessary reforms and adjustments, said President of the Eurogroup, Jean-Claude Juncker.

During the meeting, the ministers of the euro not only failed to resolve the divisions within Europe over the Greek question, they also ignore the U.S. pressure, calling for more economic stimulus and bailout fund boost .

The Paris stock exchange fell 0.48 percent and Milan fell 0.65 percent.

By contrast, the Frankfurt Stock Exchange rose 1.18 percent, Madrid revalued the 0.61 percent and London, 0.58 percent.

The Euro Stoxx 50 index, which includes major companies in the euro zone, gained 0.17 percent.