Did Capital One raise your interest rate?

Copyright © 2006-2009 Clever Dude. All Rights Reserved. A close family member of mine recently told me that Capital One raised her interest rate without reason . Apparently they raised it from about 5% to a whopping 15%, which, on a multi-thousand dollar balance, will add up to a wad of extra interest paid each month. After some extra investigation, including running her free credit report via AnnualCreditReport.com (the REAL government website), I found that she made no credit mistakes si