Detailed Instructions: Given a context passage, generate a question from the passage such that its answer is shortest continous span from the passage.
Q: In August 2010 it acquired its parent Inergy Holdings which had also traded on the New York Stock Exchange under the ticker symbol NRGP in a deal valued at $2 billion with the resulting company being reported to be worth $6 billion.
A:
What stock exchange is Inergy associated with?