gross margins

Investors have abandoned Research In Motion, which may finally make it a good investment again. Twenty months ago, the smartphone company's shares traded at $85. The stock now changes hands at around $49. But there are good reasons to expect that it won't stay that low for long.

The tiff over tariffs on Chinese tires has sparked a tug-of-war among pundits: Some are rushing to reassure us that China and the U.S. wouldn't be foolish enough to let this little spat blow up into something nasty, while others are labeling this the opening shot of a long-brewing trade...