Volatility is back in style as the U.S. election draws near, but do elections actually move the markets? We go back in history with Fidelity's Jurrien Timmer to find out. 2020 has been a banner year for IPO's, and one of the biggest is about to drop as Palantir Technologies prepares for its debut. We'll tell you what you need to know about the data mining software company. Plus, why the SEC and other regulators changed the Volcker Rule to allow banks to make and offer some risky investments. All that and more on this week's episode of The Investopedia Express, with Caleb Silver.

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