Trading Blogs:

1. Algorithmic Day Trading Blog
2. Day Trading Blog
3. Trading Blog
4. Trading Strategies Blog

Investing Blogs:

1. My Wall St.
2. The Motley Fool
3. Farnam Street

Retirement Blogs:

1. Baby Boomer Retirement
2. Top Retirements
3. Real Deal Retirement

Investing Books:

1. When Genius Failed, by Lowenstein: popular recantation of the LTCM fiasco
2. Market Wizards: Interviews with Top Traders (Books) Jack Schwager
3. This Time is Different: Eight Centuries of Financial Folly (Books) – Carmen M. Reinhart