Lost altitude: American Airlines shares dropped 7.3 percent to $43 Thursday after the carrier said it would raise pay for pilots and flight attendants, prompting downgrades from Wall Street analysts. Shares closed the week at $42.62.

Nice game: Hasbro shares rose 6 percent to $101.70 Monday after the toymaker reported a 41 percent jump in its quarterly profit on rising demand for both mobile games and classics like Monopoly, which saw classic player pieces like the wheelbarrow replaced by a dinosaur. Hasbro shares closed Friday at $99.11.

Well-oiled machinery: Caterpillar soared 6.5 percent, to $103.11 Tuesday after reporting stronger revenue and profits for the first quarter than expected. It also raised its forecast for full-year results. Shares closed the week at $102.26.

Ante up: Wynn Resorts jumped 6.4 percent, to $125.75 Wednesday after reporting revenue and profits that topped expectations. The company saw stronger revenue from its Las Vegas casino, as well as its new Macau resort. Shares closed Friday at $123.01.

Rolled: U.S. Steel plunged 25.7 percent, to $23.13 Wednesday after it reported a loss for the first quarter and cut its profit forecast for the year. The company said the results were hurt by "operating challenges" at its flat-rolled facilities that prevented it from benefiting fully from improved market conditions. Shares closed the week at $22.32.

Not for sale: Magazine publisher Time Inc. plunged 17 percent to $15.20 Friday after the company said it has decided not to sell itself.

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