Bitcoin plummets $200 in 4 hours then recovers in wild trading that serves as a cautionary tale

Bitcoin’s meteoric rise took a hit overnight as the digital currency erased, then mostly recovered, about $200 in 12 hours. The swing highlights how volatile the cryptocurrency can still be, even as some investors believe bitcoin can one day be a viable...

Selena Gomez, Justin Bieber and other major concert stars react to Manchester Arena attack

Celebrities have been quick to respond to a suicide bombing that took place during pop singer Ariana Grande’s concert in Britain’s Manchester Arena on Monday, killing 22 people dead and leaving dozens injured. Video footage shot at the venue Monday night...