Sprint Nextel's stock is heading up after announcing two new 4G devices: an Android smartphone called HTC EVO 3D that promises glasses-free 3D, due out this summer, and the HTC EVO View 4G, a seven-inch touchscreen tablet that is also slated for a summer release.

Research in Motion said PlayBook will start at $499 and hit shelves next month. The company has priced its first tablet in the same range as iPad2, both going to $699 for the 64-gigabyte model. Three models of the PlayBook will be in more than 20,000 retail outlets. Best Buy starts accepting orders on Tuesday.

Both Toyota Motor Corp. and Honda Motor Co. have extended their production stoppages in Japan. Last week, they said production will be down until at least the middle of this week. Now, the companies say production won't restart until at least the middle of next week. Nissan, whose production facilities weren't damaged by the quake, says it plans to resume production at five plants on Thursday as long as its supplies last. Toyota is still making components for overseas plants and replacement parts in Japan. Each day Toyota's plants are idled means a loss of 15,000 vehicles, per Deutsche Bank.

Jackson Hewitt Tax Service alleged H&R Block made false and disparaging claims that it found errors in two-thirds of Jackson Hewitt returns. Now a U.S. District Judge in Manhattan says the firm can seek further evidence on the issues, meaning H&R Block loses its bit to get Jackson Hewitt's lawsuit dismissed.

Diageo may be looking to make a $2 billion bid on tequila brand Jose Cuervo. Diageo already has distribution rights over the brand. The paper said the Beckmann family, which owns Cuervo, may ask Barclay's Capital to manage a sale of Jose Cuervo.

Lady Gaga decided not to allow Target Corp. to sell a version of her new album because she felt the retailer was not doing enough to help gay and lesbian causes. Now Target has signed Grammy Award-winner Jennifer Hudson to a deal to sell a deluxe version of her new album, "I Remember Me."

Pork prices are way up and, so far, retailers have swallowed most of the hike, passing about 3% of it to consumers. The National Pork Board's new campaign, "Pork: Be Inspired," might be well timed. It targets "creative, flavor-seeking home cooks who already prepare, eat and love pork."

Kraft is getting risqué with a hilarious spoof on Macbeth featuring Second City players whose "Sassy Gay Friend" character shows up to counsel Lady Macbeth as she mulls murdering the king. The effort promotes Kraft's MiO water-flavoring additive.

Boston ad shop Mullen has hired Kristen Cavallo as chief strategy officer. She was formerly SVP of planning and development at The Martin Agency and has also worked at Boston-based Arnold Worldwide. Mullen's client roster includes JetBlue, Timberland, GM and Four Seasons Hotels and Resorts.

Remember acid? There was serious marketing behind lysergic acid diethylamide, synthesized from ergot by Albert Hofmann at Swiss firm Sandoz (He later described, in LSD: My Problem Child," his hallucinogenic bicycle ride home from his lab), which then patented it. If Hofmann created it, Augustus Owsley Stanley III was the combined Steve Jobs and Henry Ford of acid's manufacturing and marketing. Michael Walker, author of Laurel Canyon: Inside Rock n' Roll's Legendary Neighborhood, writes that Stanley, who died last week in Australia at age 76, was a professionally protean eccentric who took the drug in Berkeley in 1964, …