Utilize the input text as a context reference, choose the right relationship between Baidu and Internet 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.

US-listed Chinese firms fell, including Internet giant Alibaba (-3.1 percent), Internet search company Baidu (-2.8 percent) and the electronics online retailer JD.com (-4.5 percent).

Answer: industry