*Facebook takes battle for ad revenue, user times to Google. *Facebook's shares climb, Google's fall.
SAN FRANCISCO, April 4- Hewlett-Packard Co Chairman Ray Lane, who has come under fire from shareholders for his role in the botched, costly acquisition of British software company Autonomy Plc, has stepped down, the company said on Thursday.
ARLINGTON, Va.-- Language software company Rosetta Stone Inc. said Thursday that it will close its last 56 U.S. kiosk locations as it shifts to a fully online business model. It will cut around 245 jobs as part of the move. On Tuesday it bought online language-learning company Livemocha for $8.5 million.
MENLO PARK, Calif., April 4- Facebook Inc unveiled "Home" software on Thursday that will intergrate the social network more completely with Android users' smartphones, a move that may divert users from Google Inc services and steal some of its rival's momentum in the fast-growing mobile arena.
NEW YORK-- Tableau Software Inc. late Tuesday made public its filing for an initial public offering of stock that could raise up to $150 million. The Seattle- based software company said in its Securities and Exchange Commission filing that the exact number of shares to be sold and their estimated price range have yet to be determined.
NEW YORK/ SAN FRANCISCO, March 29- Dell Inc warned on Friday that it would be dangerous to take on a lot of debt and remain a public company given its worsening profit outlook, in a sign that it views proposals from Blackstone Group LP and billionaire investor Carl Icahn as fraught with risk.
**JP MORGAN CHASE& CO, $47.68, down 2 percent. U.S. prosecutors are examining whether the bank fully alerted authorities to suspicions about fraudster Bernard Madoff, the New York Times reported, citing several people with direct knowledge of the matter. **APPLE INC, $453.89, down 1.5 pct.
Wall Street opened lower on Wednesday after a robust rally in the prior session, as soft demand at an Italian debt auction sparked concerns over the financial health of the euro zone. **FORD MOTOR CO, $13.21, down 1 pct.
The Englewood, Colo., company said Wednesday that it now expects adjusted earnings between $2.05 and $2.15 per share, on revenue in a range of $740 million to $760 million. CSG said that about 20 percent of its total revenue in 2012 came from Comcast. CSG said that the new contract with Comcast runs through Feb. 28, 2017, with an extension option.