The best business photos of 2013

Bangladesh garment factory collapse

April 25 People gather in front of Rana Plaza building as rescue workers continue their operations, in Savar, 19 miles outside Dhaka.

New currency designs revealed

May 20 Newly redesigned $100 notes lay in stacks at the Bureau of Engraving and Printing in Washington, D.C. The $100 bills will be released this fall and have new security features, such as a duplicating portrait of Benjamin Franklin and microprinting added to make the bill more difficult to counterfeit.

Royal baby born

July 23 Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge depart The Lindo Wing with their newborn son at St Mary's Hospital in London.

Government shutdown

October 1 A barricade prevents visitors from entering the interior of the Badlands National Park near Wall, South Dakota. All national parks were closed after Congress failed to pass a temporary funding bill, forcing about 800,000 federal workers off the job.

Janet Yellen nominated as head of the Fed

October 9 President Obama applauds as he and Janet Yellen leave after announcing her nomination as Federal Reserve Chairman in the State Dining Room of the White House.

Apple releases new iPads and iOS 7

October 22 Apple (AAPL) CEO Tim Cook holds the new iPad Air during an Apple announcement at the Yerba Buena Center for the Arts in San Francisco. The tech giant announced its new iPad Air, a new iPad mini with Retina display, OS X Mavericks, and highlighted its Mac Pro.

Twitter IPO

November 7 Left to right: Twitter (TWTR) co-founders Jack Dorsey, Christopher Isaac, Biz Stone, Evan Williams, and Twitter CEO Dick Costolo on the trading floor of the New York Stock Exchange the day the microblogging service went public in one of the year's most anticipated IPOs.

Holiday shopping

November 22 A worker gathers items for delivery from the warehouse floor at Amazon's (AMZN) distribution center in Phoenix as the web-based retailer prepares for Cyber Monday -- traditionally the busiest day of the year for online purchases -- which fell this year on Dec. 2.

Pollution in China worsens

December 8 Buildings are shrouded in smog in Shanghai. Heavy smog had been lingering in northern and eastern parts of China, disturbing traffic, worsening air pollution, and forcing the closure of schools.

The Volcker Rule approved by regulatory agencies

December 16 From front to back: Federal Reserve Chairman Ben Bernanke, former Fed Chairman Alan Greenspan, former Fed Chairman Paul Volcker, and incoming Fed Chairman Janet Yellen walk out during the Fed's centennial commemoration at the Federal Reserve building in Washington.