The product recently approved by the EPA is intended to help stem the decline of the bee population in the U.S.
Union leaders said negotiators remained far apart on a range of issues. GM said it had put forward a "fair offer."
The bankruptcy means that Purdue will likely be removed from the first federal opioid trial, scheduled to start in Cleveland on Oct. 21.
The National Hurricane Center said Humberto will bring large swells to the northwestern Bahamas and southeastern U.S. coast for several days.
Secretary of State Mike Pompeo reassured Sunday that the United States would work with its partners to make sure that energy markets remain well supplied.