![Twitter A 15-year-old former New Smyrna Beach High School student has been arrested on several felony charges after a Volusia County Sheriff’s Office investigation into a bomb threat he made on Twitter revealed plans to commit a mass school shooting.](https://breaking911.com/wp-content/uploads/2015/10/twitter_festa-della-comunicazione_camogli-696x392.png)
Investors sold off shares of Twitter after CEO Jack Dorsey said four top executives of the micro-blogging website were leaving the struggling company. Bobbi Rebell reports.
Investors sold off shares of Twitter after CEO Jack Dorsey said four top executives of the micro-blogging website were leaving the struggling company. Bobbi Rebell reports.