News of lower than expected first quarter Blackberry sales sent shares in maker Research in Motion (RIM) down 1.8% in New York.
RIM announced that it had shipped 11.2 million Blackberry devices in its first quarter, ending 29 May - the bottom end of its quidance estimates of sales of between 11.2 million and 11.8 million, according to the Financial Times.
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The number of new subscribers was also at the bottom end of RIM's guidance of between 4.9 million and 5.2 million, in contrast to rival Apple, which said it took a record 600,000 orders for its iPhone 4 on the first day.
RIM's share of the worldwide smartphone market in the first quarter fell to 19.4%, from 20.6% a year earlier, while Apple's share rose to 15.4% from 10.5%, according to Gartner.
RIM's reported first-quarter sales grew 24% on the previous year, to $4.24bn (£2.9bn), but this was below average analyst estimates of $4.35m.
However, earnings per share increased 41% on the same period in 2009, to $1.38, and quarterly profit was up 19% to $769m.