Shares of retailers and other consumer-services companies were lower but some consumer staples shares beat the broader market amid signs of a resurgence of coronavirus.

Sam's Club said early Thursday that it will make curbside pickup available at all 597 club locations by the end of June.

Unilever said it would consolidate its dual British and Dutch corporate structure into a single company based in the U.K., a move it hopes will allow it to more nimbly navigate the challenges posed by the Covid-19 pandemic.

General Motors Co.'s decision to scrap much of its Australia business is facing resistance from dealers, politicians and regulators, highlighting the difficulties the auto maker faces as it attempts to leave unprofitable foreign markets.

The European Union plans to file formal antitrust charges against Amazon.com over the e-commerce company's treatment of third-party sellers, The Wall Street Journal reported citing people familiar with the matter. The charges could be officially filed as early as next week or the week after, one of the people said.

Write to Amy Pessetto at amy.pessetto@dowjones.com