https://www.reuters.com/article/us-tech-antitrust-google-quotebox/factbox-key-arguments-in-u-s-antitrust-suit-vs-google-idUSKBN2752BU >The U.S. Justice Department filed an antitrust lawsuit against Alphabet Inc's Google on Tuesday, claiming the $1 trillion company uses its market power to fend off rivals and said nothing was off the table, including a breakup of the internet search and advertising company.