Presidents Day weekend was a mild one for most of the cryptocurrency market, but bitcoin was a big exception. The leading digital currency rose by more than $1,000 over the three-day period while most other cryptocurrencies were relatively flat. On Tuesday, it's more of the same, except there are two key exceptions -- bitcoin and Litecoin.Here's a look at the latest prices of the largest cryptocurrencies and what could be fueling the rally in bitcoin and Litecoin.Image source: Getty Images.Continue reading