AMLP Expense Ratio Surges To 4.86%

They did it again.  Alerian MLP ETF (AMLP), the first ETF structured as a C-corporation, raised its expense ratio for the second time this year.  It issued another prospectus supplement dated May 9, 2012 (pdf), increasing expenses from 1.40% to 4.86%.  Most ETF data...