Stocks Jump at Open on Debt Limit Deal By: CNBC.com News August 01, 2011 at 09:31 AM EDT Stocks opened sharply higher Monday, after top U.S. lawmakers sealed a deal to raise the debt ceiling one day ahead of a deadline for a potential default. Read More >> Related Stocks: Apple Arcelor Mittal Bank of America Barclays Plc ADR DuPont USA HSBC Holdings Plc ADR Humana Pfizer Toyota Motor Corp Ltd Ord ADR Verizon Communications Yahoo