Here is a FOX Business roundup of the top five changes the world's richest man has announced or already made in his first week as Twitter's new owner.

Rep. Alexandria Ocasio-Cortez, D-N.Y., took a shot at Twitter owner Elon Musk on Tuesday after he announced there would be an $8 monthly fee for verified accounts.

The White House is giving President Biden credit for a rising in Social Security payments that was actually driven by inflation levels that haven't been seen in decades.

Twitter owner Elon Musk announced that the tech giant will charge a monthly $8 fee for verified accounts, sparking backlash from bluechecks across the platform.

Newly minted Twitter CEO Elon Musk detailed how the platform will handle content moderation, as well as de-platforming, ahead of the 2022 midterm elections.

Twitter CEO Elon Musk partied at Heidi Klum's Halloween bash while receiving backlash from celebrities including best-selling author Stephen King for his move to charge for verification on the social media platform.

Elon Musk outlined his new plan for an $8 a month blue check mark verification for Twitter after critics complained that $20 a month was too steep a price to pay.

Elon Musk, the new owner of Twitter, responded to author Stephen King following criticism over reports that the price for verification would be $20 a month.

Legal experts said Elon Musk's purchase of Twitter is likely to go ahead even as pressure builds for a national security review of the purchase by the federal government.

Sen. Chris Murphy is pushing President Biden's administration to investigate Elon Musk's purchase of Twitter, arguing Saudi Arabia may have an influence on the company.

Elon Musk showed off his Halloween costume on Twitter Monday night. He dressed as the "Devil’s Champion." He and his mom, Maye, attended Heidi Klum's Halloween party in New York City.

Elon Musk said he was "looking into" the temporary suspension of Arizona Secretary of State candidate Mark Finchem's account, which was restored within an hour.

New Twitter owner Elon Musk has reportedly asked the social media giant's engineers to look into reviving video-sharing app Vine by the end of the year.

Self-described free speech absolutist Elon Musk has agreed to meet with Thierry Breton, the European Union's commissioner for the Internal Market, in the coming weeks, an EU source confirmed to FOX Business.

Elon Musk could further expand his hub of operations and attract software developers in a key region by bringing a Twitter presence to the Lone Star state.

The "Piers Morgan Uncensored" host argued Elon Musk will eventually restore Twitter to a fair and open platform that welcomes all viewpoints.

Elon Musk accused Twitter's former board of directors and their Wachtell lawyers of "deliberately" hiding evidence related to their legal battle before his ownership was finalized.

A New York Times report alleged new Twitter owner Elon Musk is trying to fire employees before they can receive their stock grants on November 1.

Traders will be watching this week as Fox Corp. and News Corp. will release third-quarter earnings on Tuesday along with health company earnings including CVS Health and Pfizer.

Twitter owner Elon Musk announced that the social media giant will revise its user verification process, days after Musk officially became owner of the social media company.