For the alert trader and investor, these episodes of panic frequently offer a window of opportunity to enter into a low-risk position.

FORBES: Elliott Wave Analysis Of The 10-Year US Treasury Note

Two members of his security detail -- already waiting outside for the mayor -- noticed flames coming out of a second-story window of the neighbor's home and called fire dispatch before banging on the door to alert the home's occupants.

CNN: STORY HIGHLIGHTS

One plane had a cracked cockpit window, another had a fuel leak and a third plane made an emergency landing after a smoke alert went off.

BBC: Dreamliner battery redesign approved by FAA