The market is falling as investors are worried over the prospect of a trade war with China.
The Trump administration says China's trade practices involve stealing American companies' intellectual property.
More than 275 components in the broad index were down at least 10 percent from their 52-week highs as of 11:04 a.m. ET.
Sandberg's comments to CNBC's "Closing Bell" come a day after CEO Mark Zuckerberg broke his silence on the Cambridge Analytica data scandal in a Facebook post.
The yield on the benchmark 10-year Treasury note dropped the most in six months to below 2.8 percent on Thursday.
Still, companies are cautiously waiting to see if users will drop Facebook or data restrictions will affect ad targeting.
Tillerson said farewell on Thursday with a parting plea to America's diplomats not to let anyone violate their integrity.
The Federal Reserve might be sounding the hawkish call, but a developing pattern in the bond market could cause it to pump the brakes, says one market watcher.
You don't need Facebook to stay in touch with friends. Consider these apps instead.
The legislation now goes to the Senate, where it is expected to pass with bipartisan support.
Saudi Arabian Energy Minister Khalid Al-Falih told CNBC Saudi Aramco is ready to go public and the kingdom of Saudi Arabia is ready for the offering from a regulatory standpoint, but the government will pick an optimum time.
If Fed Chairman Jerome Powell was looking to distinguish himself from his predecessors, this week's events represented at least initial meaningful steps toward doing so.
Dowd had reportedly opposed Trump's desire to be interviewed by special counsel Robert Mueller's office as part of the probe.
President Donald Trump's lead lawyer for the Russia investigation, John Dowd, quit Thursday, reportedly in part due to his opposition to Trump's desire to be interviewed by special counsel Robert Mueller's team.
Lazarus built Toys R Us into a retail empire and left his mark on a generation of "Toys R Us kids."
Eos was the only top 10 cryptocurrency trading higher over the last 24 hours as of midday Thursday.
Virtual reality, by design, is more manipulative than Facebook, Elissa Redmiles warns in The Conversation.
The full interview with Jeremy Siegel.
For years, the Centers for Disease Control and Prevention has interpreted a law, called the Dickey Amendment, as a ban on studying gun violence. Congress's new budget deal clarifies that they can, in fact, conduct such research, The Verge reports.