But it's not clear that Auvi-Q will less expensive in terms of retail price than EpiPen, which is now selling for more than $600 for a twin-pack, and which controls around 95 percent of the U.S.
U.S. stock traded mixed on Wednesday after oil prices cut losses following better-than-expected supply data, while solid economic data helped financials, as earnings season continued.
Coca-Cola Co., the world's largest soft-drink company, posted third-quarter earnings that beat analysts' estimates, helped by new beverages like sports drinks and sales of smaller, more-profitable package sizes.
Cable television colossus Comcast Corp. gained customers in the third quarter, bucking industry trends, and its broadcast of the Rio Summer Olympics hauled in $1.6 billion in revenue.
Donald Trump's ribbon-cutting ceremony Wednesday at his downtown Washington luxury hotel will put the “tangible accomplishments” of the GOP nominee on full display to American voters, said his campaign manager, Kellyanne Conway.