What’s open on Labor Day? Most retailers. Closed? Government, banks, and the stock market

WASHINGTON (AP) — The origins of Labor Day date back to the late 19th century, when activists first sought to establish a day that would pay tribute to workers. The first U.S. Labor Day celebration took place in New York City on Sept. 5, 1882. Some 10,000 workers marched in a parade organized by the Central Labor…