If you have never traded stocks before, I suggest you go over and understand all the basics of trading.
Here are some of the hot stocks at the moment.

Citi (C):
Freddie Mac (FRE):  Jumped 75 % after-hours on Friday. They finally posted a profit.
Bank Of America (BAC)
AIG


Reviews of online stock brokers for starters:

http://www.stocksnewbie.com/where-to-buy-stocks-reviews-of-best-online-stock-brokers-for-newbies/


Disclaimer: As always, I am not telling you what stocks to buy or sell. Please do your own Due Diligence.