Updated from 10:59 a.m. EDTU.S. stocks were jumpy but staying positive midday Monday as credit markets thawed and Federal Reserve Chairman Ben Bernanke discussed the future of the U.S. economy. Traders were also looking at a heap of quarterly corporate earnings statements. The Dow Jones Industrial Average was up 154 points at 9006, and the S&P 500 added 19 points to 959. The Nasdaq climbed 12 points to 1723. Over the weekend, President Bush announced plans to convene global leaders to continue to work on solutions to the credit crunch, according to a report by The Wall Street Journal. On Sunday, the Dutch government said it would buy a $13.4 billion stake in ING Groep ( ING) to shore up the company's balance sheet, the Associated Press reported. Credit markets appeared to continue to relax, as three-month dollar labor, a measure of the rate banks charge one another for large loans, dropped 36 basis points to 4.06%, while the overnight rate declined 16 basis points to 1.51%. A downtrend in interbank lending rates remains intact, Tony Crescenzi, chief bond market strategist at Miller Tabak, wrote on his RealMoney.com blog. Tender offerings by the European Central Bank, the Bank of England and the Swiss National bank, which now provide an unlimited supply of dollars, has helped ease the market, he wrote. He also wrote that the Federal Reserve's plan to purchase commercial paper, to be implemented Monday, should provide additional support, as will additional money borrowed by the treasury to provide banks with additional capital. Rates nonetheless remained elevated, causing wrinkles in other companies' plans. The Journal reported that General Motors ( GM) was having trouble getting funding for a purchase of fellow automaker Chrysler.