BBC: The first state-licensed marijuana industry opened in Colorado at the start of the new year.
Blustery winter weather could not deter Colorado's cannabis consumers from turning out in large numbers on 1 January, dubbed Green Wednesday, to see history in the making.
Residents aged 21 and over can buy 1oz (28g), while those from out of the state can purchase up to 0.25oz.
Read more here.
Toronto-based Sherritt International Corp. is selling its coal business for nearly $900 million to focus more on its core nickel and oil operations.
AP: American Express has agreed to pay at least $75.7 million to end an investigation by regulators into some discontinued card products.
Reuters: More customers this year will be able to pick up online orders in stores on Tuesday, the last shopping day before Christmas.
CNN: Plummeting temperatures are on tap for much of U.S.
BBC: US retailer Target is being sued by at least 11 customers over a credit card security breach in which information on 40 million cards was stolen.
CNN: The Huffington Post has yet to turn a profit for AOL, falling far short of executive Tim Armstrong's projection at the time of the acquisition three years ago.
CNN: Former NBA star Dennis Rodman is in North Korea for his third visit of "basketball diplomacy."
CNN: Violet Palmer didn't set out to be a trailblazer, but as the only female referee in the NBA today, that's exactly what she's become.
BBC: Candy Crush Saga - the "match-three" mobile game - was the highest grossing app on both iPhone and iPad in 2013.
CNET: Mobile messaging app WhatsApp now has more than 400 million users each month.
USA Today: Facebook CEO Mark Zuckerberg is selling $2.3 billion of holdings to help pay taxes.
USA Today: Target stores have been hit by a major credit-card attack, affecting up to 40 million accounts.