Watch: Facebook, Twitter, Google testify before House Intelligence Committee

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Facebook, Twitter and Google are back before Congress Wednesday, this time testifying in front of the House Intelligence Committee.

Executives and general counsels for the companies testified before a congressional judiciary subcommittee Tuesday and the Senate Intelligence Committee earlier Tuesday, during which tensions flared and discourse expanded beyond the 2016 presidential election to foreign interference in American discussions of the NFL and race relations.

The week's hearings could represent a turning point for the internet giants as discussions of regulation come to the fore. Twitter and Facebook have each moved to increase transparency around advertising, after public comments by CEOs Jack Dorsey and Mark Zuckerberg.

The hearings could signal whether Congress intends to more strictly oversee these companies in the future, but according to Bob Peck, head of internet investment banking at Credit Suisse, investors shouldn't worry much for now about the possibility of more regulation on tech.