Everyone knows what a calendar quarter is. The first quarter of the year runs from January through March, the second quarter is from April through June, and so on. But companies operate on ...

Companies share the data once every quarter.

Below, CNBC Select reviews the Discover cash-back calendar for the first quarter of 2025, plus how you can use a 5% cash-back reward program to your advantage. How to earn 5% cash back with ...