Last week the Federal Reserve cut its key lending rate half a percentage point to 1.5 percent. The cut was designed to encourage lenders to loosen credit and maybe spur more car and business loans and drop credit card rates.Not all cardholders will see an interest rate decrease, according to a news release from Bill Hardekopf, chief executive at LowCards.com. and author of “The Credit Card Guidebook.”Some cardholders might even see interest rates go up, Hardekopf said. That’s because credit card issuers not only care about someone’s credit history, but they are also paying closer attention to predicting whether you will be a credit risk in the future.Other factors that might cause a credit card rate increase: 1. Your credit score is low or recently was lowered. 2. Your balance is close to your credit limit with one or more cards. 3. Credit card companies give themselves the right to change rates at any time because of market conditions.There are reports from some parts of the country that a few businesses are no longer taking credit cards. Customers have to pay cash. If you know of that happening in the Lawrence area, [let me know][2]. [2]: /staff/mike_belt/contact