Following the Cambridge Analytica revelations and the use of its platform by Russians to interfere with the 2016 U.S. presidential election, Facebook announced its digital advertising sales growth slowed in the second quarter, The New York Times reports. While Facebook experienced a 42 percent increase in revenue from the first quarter, the tech company missed Wall Street estimates. Facebook CEO Mark Zuckerberg said the current trajectory is not expected to improve anytime soon, and the news resulted in a 23 percent drop in the company’s stock in after-hours trading. In addition to discussing earnings, Facebook revealed it had lost around 1 million monthly active European users since the EU General Data Protection Regulation went into effect. (Registration may be required to access this story.) 
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