BUZZ-Sphere 3D Corp: Q4 loss widens
** Cloud-based software maker's shares down 8.9 pct at $3.98
** Company said late on Monday its Q4 loss widened to 20 cents per share from 7 cents year earlier, hurt by $1.3 mln cost related to acquisition of Overland Storage
** Sphere 3D completed acquisition of Overland Storage in December
** Up to Monday's close, stock had fallen about 17 pct this year
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