Ford offers armor for police car doorsDETROIT — It’s a first for police cars: Doors that can protect against armor-piercing bullets.Ford will soon be offering the doors, which will be the first in the U.S. to meet the Justice Department’s highest standard for body armor, the equivalent of a bulky SWAT team vest.Ford has offered factory-installed ballistic panels on its police car doors since 2008. Previous versions only protected against handgun fire and nonarmor piercing bullets.

Higher stock prices, home values seenWASHINGTON — Americans’ household wealth jumped in the final three months of last year, pushed higher by rising stock prices and greater home values. That leaves many households, particularly wealthy ones, with more money to spend — a potential boost to economic growth.The Federal Reserve said Thursday that U.S. household net worth increased 1.9 percent in the fourth quarter to $86.8 trillion. Americans’ stock and mutual fund portfolios grew $758 billion. Home values rose $458 billion.

Racket sponsor backs SharapovaVIENNA — Maria Sharapova’s racket supplier became the first main sponsor to publicly back the tennis champion after she admitted to failing a doping test.Head announced Thursday it was planning to extend its sponsorship deal, three days after Sharapova revealed her use of the banned substance meldonium. CEO Johan Eliasch said Sharapova has made a “manifest error” but added there was no evidence of intent of enhancing her performance or trying to gain an unfair advantage.Several other brands were quick to suspend their support of the athlete after her announcement that she failed the drug test at the Australian Open just days after the substance was banned.

Pizzas, frozen food recalled for glassNEW YORK — Nearly 3 million boxes of frozen DiGiorno pizzas, Stouffer’s lasagnas and Lean Cuisine meals are being recalled after customers said they found pieces of glass in their food.Nestle USA, the company behind the brands, said no injuries have been reported.The food maker said the glass may have come from the spinach used in the recalled products. It said an investigation is ongoing.