Archipelago Holdings Inc (AX:US)
was acquired by ICE:US
Archipelago Holdings Inc. operates the Archipelago Exchange (ArcaEx), an open all-electronic stock exchange in the United States. Through ArcaEx, customers can trade equity securities, including NYSE, Nasdaq, AMEX, and PCX-listed securities and exchanged traded funds. Archipelago's trading system is designed to search across different market centers for the best price for each order.