During these busy times, it pays to stay on top of the latest profit opportunities. And today's blog post should be a great place to start. After taking a close look at the latest data on institutional buying pressure and each company's fundamental health, I decided to revise my Portfolio Grader recommendations for 99 big blue chips. Chances are that you have at least one of these stocks in your portfolio, so you may want to give this list a skim and act accordingly. More