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Trader on the floor of the New York Stock Exchange.

Check out which companies are making headlines before the bell:

General Electric — GE earned 29 cents per share for the third quarter, 3 cents above estimates. However, revenue came in below forecasts on a drop in oil and gas orders, as well as a decline in aircraft engine and locomotive orders. CEO Jeff Immelt did say that GE performed well in a volatile environment.

Honeywell — Honeywell reported profit of $1.60 per share, 5 cents above estimates, with revenue falling short of analyst forecasts. Honeywell's revenue was impacted by the strong US dollar.

T-Mobile US — The wireless carrier said it would transfer its stock listing to the Nasdaq from the NYSE as of October 27.

SunTrust Banks — The bank earned $1.00 per share for its latest quarter, 16 cents above estimates, thanks in part to growth in lending and deposits.

Quanta Services — The contracting services company said current quarter profit will be below its prior forecast, as it continues to experience profit margin pressure.

Lululemon — The yoga wear retailer's shares were upgraded to "outperform" from "neutral", citing improving demand and rebounding profit margins.

AT&T — Nomura began coverage on the stock with a "buy" rating, based in part on the benefits of the recent DirecTV acquisition.

Yum Brands — Yum cut its 2015 profit forecast and adding activist investor Keith Meister to its board of directors. Meister has urged Yum in the past to spin out its China unit, which contributes the majority of the restaurant operator's revenue and has been a drag in recent quarters. The profit forecast cut comes amid volatility in the China market as well as the strong U.S. dollar.

Wynn Resorts — Wynn reported adjusted quarterly profit of 86 cents per share, matching estimates, but the casino operator's forecast was below Street forecast. The company said revenue from its Macau operations was down 38 percent and CEO Steve Wynn called the short term environment there is "bewildering" because of "arbitrary" moves by the Chinese government.

Mattel — Mattel missed estimates by 9 cents with adjusted quarterly profit of 71 cents, with the toy maker's revenue missing as well. Mattel's results were impacted by weaker than expected sales of its Barbie doll line.

Schlumberger — Schlumberger earned 78 cents per share for its latest quarter, 1 cent above estimates, but the oilfield services company's revenue was below forecasts. Its bottom line was helped by expense reductions and greater efficiency amid slumping crude prices.

Advanced Micro Devices — AMD lost 17 cents per share for its latest quarter, 5 cents wider than anticipated, but revenue was above estimates. The chip maker also announced a joint venture with China's Nantong which will focus on assembly and testing operations.

PTC Therapeutics — PTC shares are under pressure after the drug maker's muscle disorder drug did not meet its main goal in a late stage study.

United Parcel Service — UPS announced a 4.9 percent rate increase for its UPS Ground service and 5.2 percent for UPS Air Freight, effective October 26.

AstraZeneca — AstraZeneca saw a setback for its diabetes drug combination after the U.S. Food and Drug Administration declined to approve it. The FDA said more clinical data was needed before the treatment could be approved.

Occidental Petroleum — Occidental is selling its assets in North Dakota's Bakken region for about $500 million, according to Reuters, far less than the roughly $3 billion analysts had expected those assets to fetch last year.

Jarden — Jarden announced the pricing of a secondary offering at $49 per share, compared to Thursday's closing price of $49.85. The maker of consumer brands such as First Alert and Mr. Coffee will receive gross proceeds of $490 million from the sale.

Alibaba — The online retailer is offering $26.60 per share in cash to acquire the portion of digital entertainment provider Youku Tudou that it does not already own. Alibaba currently holds 18.3 percent of Youku stock.