The Financial Post reports in its Thursday edition that shares in BlackBerry fell nearly 10 per cent in early trading after it posted a net loss of $7.4-million (U.S.) in its fourth quarter compared with a loss of $56.2-million (U.S.) a year earlier. A Canadian Press dispatch to the Post says shares were down 51 cents at $4.84 in trading on the Toronto Stock Exchange shortly after the market opening. BlackBerry's loss amounted to one U.S. cent per share for the quarter ended Feb. 28 compared with a loss of 10 U.S. cents per share a year earlier. Revenue for the quarter totalled $141.7-million (U.S.), down from $152.9-million (U.S.) in the same quarter last year. The drop came as secure communications revenue totalled $67.3-million (U.S.), down from $71.6-million (U.S.) a year ago, while QNX revenue amounted to $65.8-million (U.S.), down from $65.9-million (U.S.). BlackBerry ended Thursday at $4.42, down 44 cents in Toronto.