By Chuck Mikolajczak NEW YORK (Reuters) - U.S. stocks were set for a lower open on Friday, in the wake of a selloff in emerging market assets, as expectations grew that the Federal Reserve will trim its market-friendly stimulus measures further next week. With many market participants expecting the Fed to shave its stimulus by another $10 billion a month next week, investors will look to less risky assets such as U.S. bonds, expecting interest rates will begin to rise. The Fed's policymakers will conclude a two-day meeting on Wednesday. A rout in emerging market assets spread to developed countries in Europe on worries over Fed policy, slowing growth in China and political problems in Turkey, Argentina and Ukraine.{br}{br}View the Entire Article{br}