Google forecasted to lose 5.3%  in U.S. advertising revenue in 2020 by eMarketer
- First dip since research firm began modeling in 2008.
- Facebook &amp; Amazon to continue to grow advertising revenue in 2020 but slower rate  $FB $AMZN $GOOGL $NDX $SPX Update https://t.co/orZdBnw4wa https://t.co/fV1fnWixdE