Here's what explained its resilience this year:
A screen on the floor of the New York Stock Exchange shows the five-year trajectory of the Dow Jones industrial average.
Consumers like these Christmas shoppers on Chicago’s Loop showed a renewed willingness to spend in 2014.
Auto sales are on track to increase 6 percent this year, with 16.5 million new vehicles on the road, according to Cars.com.
Derrick Roberts, right, chef at Gotham Steak restaurant, holds job interviews at the Fontainebleau Miami Beach.
Average gas prices nationwide dropped roughly a dollar from a year ago, generating savings for consumers.
A rebound in construction gained traction in the past year. Above, a commercial complex goes up in Springfield, Ill.
FILE - In this July 17, 2014 photo, construction workers build a commercial complex in Springfield, Ill. After enduring a brutal winter, businesses, consumers and investors showed renewed vigor as 2014 wore on and set themselves apart from much of the world. (AP Photo/Seth Perlman, File)
FILE - In this Dec. 24, 2014 file photo, last minute Christmas shoppers are reflected in a store's window as they walk through Chicago's Loop. After enduring a brutal winter, businesses, consumers and investors showed renewed vigor as 2014 wore on and set themselves apart from much of the wo…
FILE - In this Dec. 18, 2014 file photo, a car passes the price of gas at the Eastcoast filling station in Pennsauken N.J. Average gas prices nationwide have dropped to $2.32 a gallon in 2014, down roughly a dollar from a year ago, according to AAA. (AP Photo/Matt Rourke, File)
WASHINGTON — The U.S. economy flexed its old muscles in 2014.
Cheaper gas and an improving labor market boost confidence.
Eight of the fastest growing states are in the South or West, according to the latest U.S. census data, and five of those growing are Sun Belt states as the nation continues its political, economic and social redistribution.
Follow the money to see who benefits from reauthorization.