Twitter announced a net loss of $132M for Q3. The San Francisco-based social network also revealed insignificant user growth; the site currently boasts about 310M monthly active users, an eight-percent increase from the year prior, which was a lighter gain than investors had anticipated.

The Wall Street Journal today noted that "Most of the growth is coming from overseas,” and that the company “hasn’t had a surplus of new users this year in the U.S."

Revenue, on the other hand, hit $569 million, a 58-percent increase from last year, surpassing analyst expectations. Much of this growth was the result of mobile ad revenues, which comprised 86-percent of total ad revenues for the company.

Twitter forecasts revenue in the range of $695 million to $710 million for 2015’s fourth-quarter, which also falls short of analyst expectations.

The news characterizes the first quarter for recently rebounded CEO Jack Dorsey, who officially returned to the helm as CEO on Oct 5. The company laid off about eight-percent of its workforce earlier this month, less than a week after Dorsey’s return.

“We continued to see strong financial performance this quarter, as well as meaningful progress across our three areas of focus: ensuring more disciplined execution, simplifying our services, and better communicating the value of our platform,” Dorsey said in a statement. “We’ve simplified our roadmap and organization around a few big bets across Twitter, Periscope, and Vine that we believe represent our largest opportunities for growth.”

Today’s announcement sent Twitter stocks tumbling more than 10-percent, to $27.76. The stock exhibited somewhat of a rebound by the time markets closed, at $30.85.