Shares of big banks are surging on Thursday after U.S. banking regulators decided to loosen restrictions on the Volcker Rule, which is part of the 2010 Dodd-Frank Act.The Volcker Rule, named after former Federal Reserve Chairman Paul Volcker, limited the kind of risk banks could take and barred them from making potentially speculative investments.The change to the rule was floated earlier this year, and it will now allow banks to more easily invest their own capital in venture capital funds, for example.Since the start of the coronavirus pandemic, bank stocks across the board have plunged; investors and analysts alike feared that record high unemployment levels would lead to defaults on loans.JPMorgan JPM, Wells Fargo WFC, Bank of America BAC, Citigroup C, Morgan Stanley MS, and Goldman Sachs GS gained even further at Thursday’s close, up 3.5%, 4.7%, 3.8%, 3.7%, 3.9%, and 4.7%, respectively.5 Stocks Set to DoubleEach was hand-picked by a Zacks expert as the #1 favorite stock to gain +100% or more in 2020. Each comes from a different sector and has unique qualities and catalysts that could fuel exceptional growth.Most of the stocks in this report are flying under Wall Street radar, which provides a great opportunity to get in on the ground floor.Today, See These 5 Potential Home Runs >>Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report JPMorgan Chase Co. (JPM): Free Stock Analysis Report The Goldman Sachs Group, Inc. (GS): Free Stock Analysis Report Bank of America Corporation (BAC): Free Stock Analysis Report Citigroup Inc. (C): Free Stock Analysis Report Morgan Stanley (MS): Free Stock Analysis Report Wells Fargo Company (WFC): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research