Shares in Blackberry manufacturer Research in Motion (RIM) have fallen by more than a fifth since it announced disappointing results on Thursday.
The company said that it had missed even its lowered expectations and reduced its profit forecasts.
RIM's net profit was $695m (£430m) in the three months to 28 May, down from $769m in the same period last year.
The company said that it had missed even its lowered expectations and reduced its profit forecasts.
RIM's net profit was $695m (£430m) in the three months to 28 May, down from $769m in the same period last year.
