By Caroline Valetkevitch NEW YORK (Reuters) -Stocks on global indexes rose on Monday, with the Nasdaq leading gains on Wall Street, while the U.S. dollar strengthened as European leaders urged further sanctions against Moscow following war crime allegations in Ukraine. Investors were closely watching the yield curve between U.S. two-year and 10-year notes, which inverted last week in a signal for some market watchers that a recession may follow in one to two years. More sanctions against Russia would ratchet up the already huge economic pressure on Russia over its invasion of Ukraine. Russia m…