Rasmussen: BO's approval is lowest rating to date

Thirty-two percent (32%) now Strongly Disapprove giving Obama a Presidential Approval Index rating of +4, his lowest rating to date (see trends). [....]

Democrats are now more likely to invest in the stock market, but the preferences of other investors have not changed over the past week. [....]

This is the tenth straight day that the President’s Approval Index rating has been in single digits. Previously, the rating had slipped to single digits just once. [....]

The Presidential Approval Index is calculated by subtracting the number who Strongly Disapprove from the number who Strongly Approve. 

Much more info at their site:

http://www.rasmussenreports.com/public_content/politics/obama_administration/daily_presidential_tracking_poll