Today, U.S. President Trump signed an executive order that completely rewrites the rules of the 401K retirement plan, opening up a $12.5 trillion market for 90 million savers, allowing Crypto Assets, private equity, real estate, and other alternative assets to officially enter mainstream retirement investment portfolios. This historic initiative not only breaks long-standing regulatory barriers but also brings new opportunities and challenges for asset management companies and retail investors. This article will comprehensively analyze the policy shift behind the new policy, the potential impacts on institutions and retail investors, and the future new landscape of the U.S. pension market.