<b>Please tell me which combination is better:</b><br/><br/><span style="color:rgb(0,0,255);"><i>At</i> one hand</span>, we have some stable market, but on the other, the Stock Exchange.<br/><br/>or<br/><br/><span style="color:rgb(0,0,255);"><i>On</i> one hand</span>, we have some stable market, but on the other, the Stock Exchange.