Business notebook

License to sell: Boston insurer Liberty Mutual Group has received a license to operate a wholly owned insurance company in Vietnam. The firm has had a presence in Hanoi since 2003.

LoJack resignation: LoJack Corp., a Westwood provider of tracking and recovery systems for motor vehicles, said chief executive Joseph Abely will resign for personal reasons.

Place your bet: Hotel casino Mohegan Sun unveiled plans for a $740 million expansion that will include the return of poker and a new House of Blues music hall. Officials hope to better serve existing customers and attract new ones.

Renagel boost: Genzyme Corp. said patients using the kidney drug Renagel were found in a study to have lower rates of hospitalization and shorter hospital stays than those using other treatments.

Still listed: Cambridge Business process software firm Pegasystems Inc. said its shares will remain listed on the Nasdaq, pending a panel decision from the exchange on the company's delayed filing of third-quarter financials.

FiOS expands: Verizon Communications said its FiOS TV service is now available to 2,600 households in Tyngsborough, the 24th community in Massachusetts where the service is being offered.

Big shot: Smith & Wesson, the largest US handgun maker, said it will begin selling shotguns in 2007 as the 154-year-old company enters a $350 million market. Two lines will be introduced in January.

Shares take a dip: Dell Inc. shares fell 65 cents to $25.10, a day after the company delayed its third-quarter earnings report and said the Securities and Exchange Commission had begun a formal investigation into the computer company. It was unclear exactly what the SEC was looking into.

HBO goes Net: HBO said it will launch an Internet channel with original programming early next year in partnership with AOL. The new site will replace AOL's Comedy channel.

(Globe wire services)