Facebook's ad revenue share and user base keep growing in the U.S., and advertisers haven't found alternatives that give the same kind of bang for their buck.
Stocks could struggle in the week ahead if earnings reports focus on the murky economic outlook and negative impacts from the trade war.
After a rough two years since its IPO, Snap's stock is up 183% this year, outperforming every member of the S&P 500.
Disney's upcoming carriage agreement with cable provider Charter may usher in a new era of how pay-TV deals get done.
If there's any event that could drive advertisers away from Facebook, Sahu said, it wouldn't be bad press around a new privacy scandal.