Check out which companies are making headlines after the bell Tuesday:

Dell - CNBC has learned that a deal for the computer software company could be announced in two weeks and the price will likely be between $13.5 a share and $14 a share, with an equity investment from Silver Lake and other investors of roughly $2 billion. Shares edged lower following the announcement in extended-hours trading after soaring more than 7 percent in regular hours trading.