NEW YORK (AP) — The first trading session of 2018 has been an upbeat one so far. Gains in technology and health care companies are helping push the main indexes higher. The Nasdaq composite has been flirting with the 7,000 threshold, adding more than one percent.

NEW YORK (AP) — Retailers are among the big gainers on Wall Street today, including Amazon, Target and Kohl's. Early indications suggest shoppers had a busy holiday season. Traders will be looking for confirmation of those projections in the weeks to come.

DETROIT (AP) — U.S. safety regulators are investigating whether some Goodyear motor home tires can fail and cause crashes and possibly deaths. The National Highway Traffic Safety Administration says it began the probe after a court ordered the release of Goodyear data from lawsuits. According to the data, the G159 tires failed while in use, resulting in deaths and injuries. Messages were left Tuesday for two company spokesmen.

NEW YORK (AP) — McDonald's says it's using fresh beef in another burger, the latest test by the chain swap out frozen beef as it seeks to improve the image of its food. The company says the new burger, called Archburger, is being tested in seven McDonald's restaurants in Tulsa, Oklahoma. McDonald's held similar tests for fresh beef Quarter Pounders for about a year before announcing in March that it would roll it out to most of its 14,000 restaurants by the middle of this year.

NEW YORK (AP) — Vice Media has suspended two top executives after a December New York Times report on sexual misconduct at the company. A memo to employees says President Andrew Creighton and chief digital officer Mike Germano have been suspended as the company investigates allegations against them. Vice Media co-founders Shane Smith and Suroosh Alvi had previously apologized for the company's "boy's club" culture.