DealZone

Health insurer Cigna will buy HealthSpring for about $3.8 billion to jump-start its business selling Medicare plans for the elderly.

Oracle struck a deal to buy RightNow Technologies for around $1.5 billion, agreeing to pay a nearly 20 percent premium for the cloud-based customer service company.

The FBI is probing the massive advisory fee involved in Olympus Corp’s takeover of a British company, a media report said, in a deepening scandal that has wiped out more than half the company’s value.

Groupon faces its toughest sales pitch this week when the daily deals website launches a roadshow to persuade investors to buy shares in its initial public offering.

Banks will have a lot of egg on their face if they don’t get this deal done at a valuation high enough to make money for its late stage investors, a venture investor told the WSJ.

Newsweek interviewed Raj Rajaratnam, the hedge fund tycoon convicted in the biggest Wall Street trading scandal in a generation.

“Google has talked to at least two private-equity firms about potentially helping them finance a deal to buy Yahoo’s core business, according to a person familiar with the matter,” WSJ reports.