News

Financial Times
Financial News Online

Research

arXiv.org
Sante Fe Institute
EDHEC Risk

Technology

kx systems
kdb+ code repositary

Standards

FIX protocol
ISO 10383 Market identifiers

Markets

World Federation of Exchanges

BATS Europe
Borsa Italia
Bolsas y Mercados Españoles
Chi-X
Deutsche Börse
London Stock Exchange
NASDAQ OMX
NYSE Euronext
Prague Stock Exchange
Swiss Exchange
Turquoise
Vienna