Apple CEO Tim Cook told a congressional hearing featuring the CEOs of four of America's largest tech firms, "I am here today because scrutiny is reasonable and appropriate. We approach this process with respect and humility, but we make no concession on the facts... if Apple is a gatekeeper, what we've done is open the gate wider."

Facebook Inc's Mark Zuckerberg, Amazon.com Inc's Jeff Bezos, Alphabet Inc-owned Google's Sundar Pichai and Apple Inc's Tim Cook - who together represent about $5 trillion of the U.S. economy - are appearing via videoconference before the House Judiciary Committee's antitrust panel.

President Donald Trump, who has clashed with several of the biggest tech companies and on Wednesday threatened to take action against them..

Subscribe: http://smarturl.it/reuterssubscribe

Reuters brings you the latest business, finance and breaking news video from around the globe. Our reputation for accuracy and impartiality is unparalleled.

Get the latest news on: http://reuters.com/
Follow Reuters on Facebook: https://www.facebook.com/Reuters
Follow Reuters on Twitter: https://twitter.com/Reuters
Follow Reuters on Instagram: https://www.instagram.com/reuters/?hl=en