News moves fast, and there's not always time to untangle the complex forces driving the day's biggest stories. WSJ Explains breaks down big market moves, business and economic trends, and scientific developments to help you stay ahead of the curve.The Federal Reserve is central to the U.S. economy today, but its power has been built over decades. Its decisions can lower inflation or spark a recession. WSJ explains how the Fed was formed and the role it plays.
Photo illustration: Annie ZhaoWhile McDonald’s is well known for its burgers across the world, it has menu items in other countries that you won’t find anywhere else. Here’s how the fast-food chain crafts its unique global menus and why localizing them is key to its success. Illustration: Annie ZhaoBurger King revealed its first total rebrand in over 20 years as it looks to win back sales from rivals like McDonald’s and Wendy’s.