

UPDATED 06:58 EDT / JULY 19 2012
Apple's stock falls as Tim Cook admits it's 'difficult to predict' tariff impact
APPS - BY MIKE WHEATLEY . 11 HOURS AGO
Amazon's stock declines on light guidance and third successive cloud revenue miss
CLOUD - BY MIKE WHEATLEY . 12 HOURS AGO
Atlassian shares drop sharply on slowing growth and wider quarterly loss
CLOUD - BY DUNCAN RILEY . 12 HOURS AGO