Stock prices took a roller-coaster ride this week -- down one day,up the next.

VOA: special.2009.08.21

It's been every single day a roller coaster ride because I have a senior in high school.

NPR: Ask Amy: Responding to the Thin Envelope

The latest information emerged Wednesday, a day of roller-coaster emotions in the city where three were killed and more than 175 injured Monday.

WSJ: Obama Attends Boston Service as Officials Probe Videos

" For example, he says, when he officiates at a funeral and a wedding on the same day, the emotional roller coaster is "always challenging.

WSJ: Sometimes, a Second Career Requires a Leap of Faith