Which Statement Is Correct

Multiple Choice

Which statement is correct?

A) When stock prices barely change for a while, they are said to be stuck in a "bubble."
B) Bubbles can result when prices rise rapidly and investors join the game on the assumption that prices will continue to rise.
C) Most bubbles with hindsight can be justified by the improved fundamentals.
D) "Bubbles" is another term for stocks in high-tech industries.