On Friday, rapper 50 Cent was on CNBC live form the Consumer Electronics Show, where he was plugging a new brand of headphones.

Turns out the company distributing the headphones, H & H Imports Inc, is a publicly listed penny stock (HNHI), and in addition to promoting its wares on TV, 50 Cent has been plugging the stock all weekend on Twitter.

For example:

Does he move markets? Heck yeah.

Shares are up over 120% today.

Anyway, if you're curious, here's the latest quarterly filing from the company.