(Reuters) – BlackBerry Ltd reported a much smaller-than-expected quarterly loss on Friday, sending its shares up nearly 7 percent, even as its smartphone sales continued to slide. The company said its net loss was $423 million, or 80 cents a share, for the fourth quarter ended March 1. That compared with a year-earlier profit of $98 million, or 19 cents a share. Revenue fell to $976 million from $2.68 billion. Analysts on average had been […]