The ratio of debt — in consumer credit and mortgages — to net worth edged up during the quarter to 20.9 cents of debt for every dollar of net worth and to $1.27 of debt for every dollar of disposable income.

U.S. stocks were set to slip Thursday, following a big rally in the previous session, as investors awaited fresh reports on employment and retail.

Here's a look at some of the new positions Renaissance Technologies added to its portfolio last quarter, including GE and EMC.

April 7 (Bloomberg) -- U.S. stocks tumbled, with benchmark indexes slumping the most since February, as a bigger-than- estimated decrease in consumer credit and concern Greece may default fueled concern the economic rebound may slow.

Stocks Down Steeply Along With Consumer Credit