Strangely, if presented with one number at a time, at one digit per second, Lu's recall is no better than the average person's, Ercisson and colleagues found.

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These changes have contributed to nine consecutive years of double-digit earnings per share growth.

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Others, like Vestas and Gamesa, have double-digit earnings-per-share growth over the past three years.

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Revenue could grow by 5% to 7%, while earnings per share rise at a double-digit rate, Stifel Nicolaus estimates.

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It remains to be seen how Iraq could impact oil prices, but the price per barrel for crude has seen double-digit declines over the past month.

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Nooyi had to cut the 2011 earnings forecast from double-digit growth to seven or eight per cent, and when she was asked about this in a conference call with investment analysts, in February, she sounded testy in her replies.

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On August 22, American Eagle Outfitters posted second quarter fiscal 2012 adjusted earnings of 21 cents per share, climbing 62% year over year, mainly on the back of a double-digit growth in top line, coupled with lower input and operating expenses.

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For 2011, the company has reaffirmed its earnings per share guidance, but lowered its revenue guidance, which it expects to grow in the low-double-digit range.

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