Endo International has reportedly contacted a restructuring firm after thousands of opioid lawsuits.

Opiant Pharmaceuticals climbs as the company reports positive results for its nasal spray treatment for opioid overdoses.

Purdue Pharma will plead guilty to three felonies and pay $8.3 billion to settle a federal probe into how it marketed opioids.

Mallinckrodt becomes the third major opioid producer to file for bankruptcy.

The prospects for further fiscal stimulus remain uncertain; earnings season begins this week; Apple begins shipping devices directly from its retail stores.

"Supply chain challenges and persistent delays significantly limited the brand's responsive abilities" to changing consumer trends, CEO Sonia Syngal told investors Thursday.

"We believe the slowdown was caused by the spending pressure our consumers felt from higher gas prices and broader inflation," said CEO Bruce Thorn.

Costco took in $984 million in new membership fee in its fiscal third quarter, helping the bulk retailer top Street forecasts for topline revenues.