BUZZ-BlackBerry Ltd: Posts first qtr-to-qtr revenue growth in over 2 yrs
** Smartphone maker's U.S.-listed shares up about 9 pct at $8.50 premarket
** The Canadian company's Q3 revenue rises 12 pct from Q2, after nine straight quarters of decline, indicating turnaround efforts may be gaining traction
** Q3 revenue of $548 mln beats analysts' estimate of $489 mln
** Up to Thursday's close, the U.S.-listed stock had fallen nearly 30 pct this year
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