(Bloomberg) -- ArcelorMittal SA’s third-quarter profit fell as steel prices declined in key markets due to weaker demand.Most Read from BloombergRockstar Plans to Announce Much Anticipated ‘Grand Theft Auto VI’US 30-Year Mortgage Rate Tumbles by Most in More Than a YearAdam Neumann Remains a Billionaire Even With WeWork BankruptcyVirginia Democrats Fend Off Republican Sweep in Win for Abortion RightsEverything We Know About Grand Theft Auto 6 Right NowThe world’s top steelmaker outside of China