Answer:
Can not be bought, Can not be sold, Even if it's made of gold. What is it?
What jumps when it walks, but sits when it stands?
I am a precious stone, as clear as a diamond. Though you can walk on water with my power, try to keep me, and I'll vanish in an hour. What am I?
Physicists have built devices to move me very fast. My last seven letters can be commonly found in newspapers magazines and journals.
I go around a yard but does not move.
What gets broken without being hold?