Stocks waver as Greece talks go on Summary Box: Stocks waver as Greece talks go on Jan 23 05:25 PM US/Eastern EURO UP: The euro rose to a three-week high against the dollar on hopes that the Greek government will reach a deal with creditors to trim the country's debt. GAS GAIN: Natural gas prices rose after Chesapeake Energy said it will cut production in response to cheap prices and rising supplies. Stocks of gas producers jumped. STEADY CLIMB: The S&P 500 index edged up 0.62 points Monday to close at 1,316. The stock market is off to a strong start in 2012. Better-than-expected job growth in the U.S. and easing worries about Europe's debt woes have pushed the S&P 500 up 4.6 percent for the year.