Amazon Shares Drop as Revenues Fall Short

Even a 35 percent increase in revenues in the fourth quarter was almost $1 billion short of analysts’ expectations, and the outlook for this quarter was disappointing.

French Report Faults Indecision on Nuclear Industry

The French Court of Audit said the country must either sharpy increase investment in new electricity production or extend the lives of its existing plants if it wants to maintain output at current levels.

F.D.A. Approves Cystic Fibrosis Drug

The Food and Drug Administration called Kalydeco a “breakthrough therapy” because it treats the underlying cause of the genetic disease, rather than just the symptoms.

Hopes of Greek Progress Shore Up Markets

Markets clawed back lost ground on hopes that Greece is heading toward a conclusion of debt-reduction talks with private creditors and that it may secure its second bailout package this week.

Hopes of Greek Progress Shores Up Markets

Markets clawed back lost ground Tuesday on hopes that Greece is heading toward a conclusion of debt-reduction talks with private creditors and that it may secure its second bailout package this week.