Mon, May 20, 2013, 11:48 AM EDT - U.S. Markets close in 4 hrs 12 mins
Headlines: Chinese resume hacking U.S. targets
Hot air balloon accident kills tourist in Turkey
Incredible prom surprise for Florida teen
Justin Bieber: 'I should be taken seriously'
Singer's stage dive goes horribly wrong
Cop faced split-second choice in N.Y. tragedy
2 FBI agents killed in training accident
