Tuesday’s need-to-know money news

Today’s top story: Resolving to slim down your credit cards in the new year. Also in the news: Why you need a Roth IRA even if you have a 401(k), how to reach your 2018 travel goals with credit card rewards, and what to know about the major cryptocurrencies besides Bitcoin.

This New Year, Resolve to Slim Down Your Credit Cards
Taking a look at balance transfer cards.

Why You Need a Roth IRA — Even If You Have a 401(k)
Unique benefits.

How to Reach 2018 Travel Goals With Credit Card Rewards
Maximizing your miles.

What to Know About the Major Cryptocurrencies Besides Bitcoin
Etherium, Litecoin and more.