keywords: gm toyota ford chrysler nissan
text: GM up 20 percent; Ford disappoints again; Toyota, Nissan, Chrysler &lt;b&gt;...&lt;/b&gt; General Motors Corp., aided by a late-month clearance sale on 2004 models, said Friday its new vehicle business rose a surprising 20 percent in September, which appeared to help push up overall industry results despite bad weather 