Cat bounce: Caterpillar shares lost 2 percent, to $73.10 Friday following a downgrade from Baird & Co. to neutral with a revised price target at $77, down from $89. The analyst firm cited the likelihood that commodity prices will remain low, which diminishes demand for heavy equipment.

Down stream: Netflix dropped 4 percent, to $101.42 Wednesday amid reports that Apple is considering producing original programming. Its shares finished the week at $98.79.

No joy: Shares of Joy Global, which makes heavy machinery used in mining, dropped 17 percent, to $18.35 Thursday after the company posted results far lower than analysts expected. The company also cut its full-year forecasts. Like other equipment makers in the energy and materials industries, Joy has been hurt by low prices for oil, metals and other commodities. Its shares closed the week at $18.63.

Loonie boost: Louisiana Pacific shares rose 1 percent, to $16.31 Friday following a ratings upgrade to sector outperform by RBC Capital Markets, which cited cost savings from the weak Canadian dollar. The firm also raised the building products company's stock price target from $16 to $19.

Sales uptick: Tupperware Brands Corp. shares jumped 5 percent, to $51.42 Wednesday after the container company reported overseas markets were fueling third-quarter sales that are near the high end of its forecast. It said sales could increase by a currency-adjusted 6 percent. Tupperware ended the week at $51.78.

Oil slick: BP PLC shares dropped 5 percent Friday, to $30.70 as oil prices continued to decline amid slow growth concerns for the European economy, which could further dampen demand for oil.

news wires