After-hours buzz: Oracle, Smith & Wesson, MGM & more

Check out the companies making headlines after the bell Thursday:

Oracle shares gained in extended trading after the company reported fourth-quarter revenue that beat analyst expectations. The enterprise technology company's fourth-quarter earnings came in at 81 cents a share on revenues of $10.59 billion. Wall Street had expected Oracle to post earnings of 81 cents a share on $10.47 billion in revenue, according to a consensus estimate from Thomson Reuters.

Shares of Smith & Wesson surged in after-hours trading after the company posted earnings that beat Wall Street expectations. The firearm manufacturer reported fourth-quarter earnings of 66 cents per share ex-items on revenues of $221 million. Analysts had expected the company to post earnings of 54 cents a share on $215 million in revenue, according to a consensus estimate from Thomson Reuters.

Smith & Wesson also said that it sees first-quarter earnings between 49 cents and 53 cents a share, above Street expectations of 37 cents a share.

Elizabeth Arden shares soared after Revlon announced it is buying the cosmetics company for $14 per share in an all-cash deal. The acquisition represents a 50 percent upside to Elizabeth Arden's closing price of $9.31. Revlon shares were slightly higher after the news.

Shares of MGM Resorts rose after the company said it now sees annual adjusted EBITDA benefit reaching $400 million by the end of 2017. It had previously forecast $300 million.

LifeLock shares popped after activist investor firm Elliott Associates disclosed an 5.1 percent stake in the company in a filing with the Securities and Exchange Commission. The firm said that LifeLock is undervalued and that it has begun to discuss ways to increase shareholder value.