Russia sought to use spies to get more information about high-frequency trading in a potential bid to destabilize the market, according to a court document released by the U.S. government on Monday. The U.S. government on Monday made one arrest and charged two other diplomats with spying on behalf of Russia. The Federal Bureau of Investigation says the trio sought information, and sought to set up a spy ring, to find out about a number of topics, including the impact of the economic sanctions the U.S. has imposed on Russia and an airplane manufacturing deal. But one of the topics Russia wanted to know more about is a ... (full story)