PPG Industries, Inc. (NYSE: PPG) makes "coatings" - materials that include simple house paint, but also higher-end chemicals used in the aerospace industry and (for example) Transitions® lenses which change from shaded to clear when the person wearing them is indoors.

Sales in the United States have decreased due in part to a weakened housing market. Fewer homes are being built, meaning there is a decreased demand for construction materials and thus lower sales for PPG. Also, increases in transportation costs due to inflation of fuel prices resulted in a $20 million increase in expenses.

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