Wall Street-Backed Exchange Launches as Rival to NYSE, Nasdaq

Traders and analysts expect MEMX, a new exchange backed by Wall Street banks, electronic-trading firms and asset-management giant BlackRock, to be a formidable competitor to the incumbent exchanges.

Wall Street-Backed Exchange Launches as Rival to NYSE, Nasdaq
Traders and analysts expect MEMX, a new exchange backed by Wall Street banks, electronic-trading firms and asset-management giant BlackRock, to be a formidable competitor to the incumbent exchanges.