Yahoo will cut 1,700 employeesSAN FRANCISCO — Yahoo is laying off about 1,700 employees in a shake-up likely to determine whether CEO Marissa Mayer can save her own job.The long-anticipated purge, announced Tuesday, will jettison about 15 percent of Yahoo’s work force along with an assortment of services that Mayer decided aren’t worth the time and money.Mayer hopes to sell some of Yahoo’s unwanted services for about $1 billion, though she didn’t identify which ones. In an apparent concession to some shareholders, Mayer also said Yahoo’s board will mull “strategic alternatives” that could result in the sale of all the company’s Internet operations.Analysts have speculated that Verizon, AT&T and Comcast might be interested in buying Yahoo’s main business, despite years of deterioration.

Chipotle says fed E. coli probe widensNEW YORK — Chipotle says the scope of a previously disclosed federal criminal investigation has widened.The Denver company says it has been served with another subpoena requiring it to produce documents related to companywide food safety dating back to the start of 2013. Previously, it had said it was served a subpoena in relation to a California restaurant, where there was a norovirus outbreak over the summer.Chipotle Mexican Grill also confirms its sales sank 14.6 percent at established locations for the fourth quarter after an E. coli outbreak and a separate norovirus incident sickened dozens of people. That’s the first sales drop since the company went public a decade ago.

Toyota recalls SUVs, trucks over airbagsDETROIT — Toyota is recalling about 320,000 trucks and SUVs because the roof-mounted air bags can inflate without a crash.The recall covers the 2005 and 2006 Toyota Tundra and Sequoia, the 2003 through 2006 Land Cruiser, and the 2004 through 2006 4-Runner. Also included are the 2003 through 2006 Lexus LX 470 and the 2004 through 2006 GX 470.Owners will be notified by mail in early February.