The first potential acquisition target is satellite-radio operator Sirius XM Holdings. With a market cap of $7.2 billion, Sirius XM would be a relatively small acquisition for Berkshire Hathaway.

So it makes sense that investors might be interested in buying shares of Sirius XM (NASDAQ: SIRI). Buffett's conglomerate Berkshire Hathaway owns 35.4% of the satellite radio operator.

There are some extremely attractive stocks in Berkshire Hathaway's (NYSE: BRK.A)(NYSE: BRK.B) closely followed stock portfolio right now. However, to say that some of them could go parabolic, or ...