Utilize the input text as a context reference, choose the right relationship between about US and global from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

flat after Wall Street closed mixed with the market edgy due to concerns about global growth and uncertainty about US monetary policy.

Answer: publisher