<p></p><p>There is also a lot of uncertainty and the market is built on sentiment, Global Trading & Agency noted. <br></p> <p>The company observed that as soon as the demand goes quiet, prices ease a couple of cents but when some demand appears, prices increase rapidly as well. <br></p> <p>The facts are quite unchanged, and remain as challenging as before, the report observed. The key...<br></p><p></p>