The proposed merger of the New York Stock Exchange's parent company and Euronext NV to create an international trading powerhouse is drawing a lot of attention lately.

FORBES: Why regional exchanges are heating up.

NYSE, parent of the New York Stock Exchange, has proposed to merge with Euronext, while Nasdaq has taken a substantial stake in the London Stock Exchange , with an eye to acquiring more.

FORBES: The $25 Billion Gorilla

The parent company of the New York Mercantile Exchange , which trades in energy and commodity futures, filed preliminary plans for a public offering.

ECONOMIST: Business this week