Rising levels of credit card debt are a good thing and a bad thing. And they are definitely rising: during the final three months of 2015, Americans added $52.4 billion to what they owe on their credit cards, according to a new CardHub report based on Federal Reserve Board data. For context, that is nearly as much as was added to cards in all of 2014. Spending rises when consumers have jobs or get better jobs and when the economy is growing, as it is now, said Lowell Ricketts, an analyst with the Center for Household Financial Stability at the Federal Reserve Bank of St. Louis. With incomes increasing, he said, “they’re in a stronger position to make those investments…