What is Boston Stock Exchange?

Legal Definition
The Boston Stock Exchange (now NASDAQ OMX BX, formerly BSE) is a regional stock exchange located in Boston, Massachusetts. The third-oldest stock exchange in the United States, it was founded in 1834. On October 2, 2007, NASDAQ agreed to acquire BSE for $61 million.
-- Wikipedia
Legal Definition
The Boston Stock Exchange (now NASDAQ OMX BX) is a regional stock exchange located in Boston, Massachusetts. The third-oldest stock exchange in the United States, it was founded in 1834. On October 2, 2007, Nasdaq agreed to acquire BSE for $61 million.