Employees will be attending in person and via live stream, The Verge noted. It is unclear whether CEO Mark Zuckerberg will speak at the meeting. Shares continue to slide Facebook's stock price fell more than 5 percent on Tuesday amid mounting scrutiny over its role in the Cambridge Analytica flap. That follows a decline of almost 7 percent on Monday, which shaved almost $40 billion from Facebook's market value and which represents the biggest single-day decline in the company's shares in four years. Credit Suisse analysts said in a research note that negative headlines could continue to weigh on Facebook's stock in the coming weeks, citing demands by lawmakers that CEO Mark Zuckerberg appear before Congress to address the Cambridge Analytica controversy.