Authorities in Japan on Monday arrested Nissan Motor Co. Chairman Carlos Ghosn on charges he underreported his income and misused company funds. Prosecutors said they were holding Ghosn, 64, and another Nissan executive, Greg Kelly, for collaborating to falsify securities statements and underreport $44.6 million in income from 2011 to 2015. Ghosn is also chairman and CEO of the Renault-Nissan alliance, which formed in 1999 and allows both companies to share engineering and technology costs. Mitsubishi joined the alliance two years ago.

Amazon announced Tuesday plans to split its highly anticipated second headquarters between New York and northern Virginia. North American cities waged an intense competition to land the Amazon expansion, which is expected eventually to bring 50,000 jobs with it. The company said 25,000 of those jobs will go to Queens, N.Y., and the other 25,000 will go to Arlington, Va. Amazon also plans to open an operations hub in Nashville, creating 5,000 jobs. The online retailer plans to keep its main office in Seattle, where it currently has more than 40,000 employees.

Once America’s retail giant, Sears filed for Chapter 11 bankruptcy protection Monday after 132 years in business. The company plans to close 142 of its 700-plus remaining stores and lay off thousands of workers. Founded as a watch store, Sears blossomed into the Amazon of the early 1900s as a mail-order business. “What Sears did was make big-city merchandise available to people in small towns,” economist and author Marc Levinson said. The retailer at one time sold everything from build-your-own-house kits to grave markers.

Third in a series on the legalization of marijuana

Big Tobacco is joining the Green Rush. For years, four Big Tobacco companies—R.J. Reynolds, Philip Morris (now known as Altria), British American Tobacco, and Imperial Tobacco—have played down interest in the emerging marijuana market. Now, they are positioning themselves to pounce, a half century after the wacky weed first gained mass popularity.

Second in a series on the legalization of marijuana

Three major beer sellers with familiar labels—Heineken, Corona, and Coors—are blazing the path to marijuana-infused alcohol. How they got to this point is a story of marketing maximizing, whatever the social effects.

The Trump administration’s campaign to block AT&T’s megamerger with Time Warner is still going strong. The Justice Department announced Thursday it was appealing a federal judge’s ruling blessing the $81 billion deal. The government argues the merger would hurt competition, limit consumer choices, and raise the cost of streaming TV and movies. AT&T became the biggest pay-TV provider in the United States with its acquisition of DirecTV in 2014. It claims about 25 million of the 90 million or so U.S. households that are pay-TV customers. Time Warner owns CNN, HBO, the Warner Bros.

Canadian tariffs on many U.S. imports take effect this week to the tune of $12.5 billion. The newly taxed products include steel and iron, as well many smaller categories like detergent, ketchup, and pizza. U.S. President Donald Trump on Sunday threatened to fire the next shot in the mounting trade war. He wants to wait until after November’s midterm elections before agreeing to a new NAFTA trade agreement with Canada and Mexico. Sen. Pat Toomey, R-Pa., said the tariffs were bad news for the people of his state: “With Canada, we have a trade surplus. We have a surplus even in steel.