Business groups led by the <-bsp-bb-link state="{"bbHref":"bbg://securities/1384064D%20US%20Equity","_id":"0000018f-108d-d583-afbf-d2dd984d0000","_type":"0000016b-944a-dc2b-ab6b-d57ba1cc0000"}">US Chamber of Commerce-bsp-bb-link> sued the <-bsp-bb-link state="{"bbHref":"bbg://securities/13362Z%20US%20Equity","_id":"0000018f-108d-d583-afbf-d2dd984d0001","_type":"0000016b-944a-dc2b-ab6b-d57ba1cc0000"}">Federal Trade Commission-bsp-bb-link> Wednesday seeking to block a rule finalized this week that would outlaw non-compete provisions that prohibit workers from switching jobs within an industry.