Twitter shares sinking in extended hours to the lowest levels since the company's Nov. 7 IPO. It comes after the social networking giant beat on the bottom line, but full-year guidance disappointed investors.
The stock is now off nearly 50-percent from its all-time high of $74.73 on Dec. 26.
"I think the slowness in growth is what everybody is really focused on right now," said OptionMonster's Pete Najarian.
Both "Fast Money" trader Steve Grasso of Stuart Frankel is long Twitter, but he may soon re-evaluate his position.
"The entire sector is under pressure. People are vilifying valuations here and Twitter is not really growing," said Tim Seymour of Triogem Asset Management. He thinks there's no reason to own the stock right now.
SunTrust Robinson Humphrey Managing Director Robert Peck said the key to create more robust growth.
"The number one question by far and away is how do you become more mass market. How do you become bigger like Facebook. How do you get the euphemism of your mom on Twitter. What is the use case there?," said Peck.