This week's round-up features geeky high frequency traders, Bernanke's confirmation hearing, a critic joining Citi and Goldman's continued PR problems.

"They are introverts, some are socially awkward, and they don't seek publicity. They are the type of guys you would see at a Star Wars convention." - Sang Lee, of Aite Group, in a Reuters story about High Frequency Traders: http://bit.ly/8VQZXw