(March 18, 2020, 8:06 AM EDT) -- SAN FRANCISCO — A participant in the Wells Fargo & Co. 401(k) employee retirement plan on March 13 accused the bank of breaching its fiduciary duty, corporate self-dealing and engaging in prohibited transactions under the Employee Retirement Income Security Act in a purported class complaint filed in California federal court (Yvonne Becker v. Wells Fargo & Company, et al., No. 20-1803, N.D. Calif.)....