Tim Walz signed an executive order restricting state employees from using insider information on prediction markets. Tim Walz is taking new steps to keep state employees from using confidential information for personal gain on prediction markets. Walz said in a statement, "State employees serve the public and shouldn’t make money off insider information." The backstory:Online prediction markets have become more popular, letting people bet on things like elections, sports and world events. With prediction markets growing quickly, Minnesota leaders say it’s important to set strong ethical standards for government workers.