Shares of Twitter dropped in pre-market trading Friday. The Twitter headquarters building is pictured here in San Francisco, California, on October 6.
Mandatory Credit:	David Paul Morris/Bloomberg/Getty Images

Shares of Twitter dropped in pre-market trading Friday. The Twitter headquarters building is pictured here in San Francisco, California, on October 6.
Mandatory Credit: David Paul Morris/Bloomberg/Getty Images

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Twitter stock falls after report says Biden admin weighing security review of Musk ventures

Shares of Twitter dropped as much as 8% in pre-market trading Friday as investors braced for some last-minute uncertainty around Elon Musk's $44 billion deal to buy the company.