It was not a civil judgment but a public one handled by an independant administrative authority with the power to pronounce sanctions (French public law is separate from both criminal and civil law and includes administrative law).

It is not so much about free speech: the two guys have been fined for publishing incorrect information about the financial situation of a bank. It is more about financial regulation than free speech. I'm not so familiar with american law, but I'm pretty sure you got related situations (for example concerning the handling of sensitive financial information, or insider trading, etc.)

Disregarding the question of the reality of what they've been accused of, the fine against Mish is illegal considering the right of defendants to translation and an interpretor has not been respected. This decision will be very probably striken down by any real judge that get her hands on this case.