Check out which companies are making headlines before the bell:
DuPont—The chemical maker earned an adjusted 54 cents per share for the third quarter, beating estimates by a penny, but revenue was slightly short of consensus. DuPont said its profit margins improved in five of seven businesses, but it also noted it expects sluggish fourth quarter growth in the global economy, and further currency headwinds that will affect its agriculture business.
Pfizer—The pharmaceutical company beat estimates by 2 cents with adjusted quarterly profit of 57 cents per share, with revenue also above forecasts. Pfizer also narrowed its earnings forecast for the full year, as it evaluates the impact of increased generic competition and its efforts to develop new treatments.
Aetna—The insurance company reported third quarter profit of $1.67 per share, above estimates of $1.58, with revenue exceeding estimates as well. Aetna also raised its 2014 earnings forecast, amid further gains in its government-related business.
Coach—The luxury goods maker beat Street forecasts by 8 cents with adjusted quarterly profit of 53 cents per share, and revenue was also above forecasts. Coach's results were helped by growth in international sales.
Whirlpool—The appliance maker missed estimates by 9 cents with an adjusted third quarter profit of $3.04 per share, though revenue was essentially in line. Whirlpool maintained that its underlying fundamentals are strong, and that it will unveil details of its strategy to increase shareholder value in December.
AutoNation—The auto retailer reported adjusted third quarter profit of 90 cents per share, 4 cents above estimates, and sales also beat analyst forecasts. The bottom line beat came amid expanding profits on used car sales.
Spirit Airlines—The airline earned an adjusted $1.01 per share for the third quarter, 3 cents above estimates, although revenue was short of forecasts. The company said improved operational performance and lower fuel costs helped it offset increases in other expenses.
LabCorp—The medical lab operator earned an adjusted $1.80 per share for the third quarter, 5 cents above estimates, with revenue above analyst projections. The company also raised its full-year forecast, as it sees an increase in the number of customer visits to its labs.
Cummins—The truck engine maker reported third quarter profit of $2.32 per share, 4 cents above estimates, with revenue also beating analyst forecasts. Stronger demand in North America, Europe, and China helped offset weakness in the Brazilian market.
Sanofi—The French drug maker warned that price competition will hurt its diabetes treatment business in 2015, though the drug maker is sticking to its 2014 forecast.
T-Mobile US—The wireless services provider lost 12 cents per share for its latest quarter, compared to analyst forecasts of a 1 cent per share profit. T-Mobile did post record subscriber growth for the quarter.
Eli Lilly—The drug maker and Japanese partner Takeda saw a judge slash a $9 billion damage award to $36.8 million. The case involved their diabetes drug Actos. Users claimed the companies did not warn them that the treatment could raise the risk of bladder cancer.
Tesla—CEO Elon Musk took to social media late Monday, after talk that Tesla's sales were slowing down helped push the stock down five percent on Monday. Musk said an article in the Wall Street Journal suggesting a slump in sales is incorrect.
Novartis—The drug maker reported quarterly results that topped expectations, thanks to strong sales of its new products.
Twitter—The social network matched forecasts with adjusted quarterly profit of 1 cent per share. Revenue beat estimates, but investors are more focused on disappointing user metrics. Active users did rise by 23 percent, but timeline views per user dropped 7 percent.
Amgen—Amgen reported adjusted quarterly profit of $2.30 per share, 19 cents above estimates, with the biotech giant's revenue beating forecasts as well. Amgen's results were boosted by higher sales of its newer drugs, and it raised its full-year forecast in the wake of those results.
Buffalo Wild Wings—The company beat estimates by 7 cents with quarterly profit of $1.14 per share, with the restaurant chain chalking up improved same-store sales as well as adding new locations.
Crocs—Crocs earned 30 cents per share on an adjusted basis for its latest quarter, compared to estimates of 14 cents, and revenue was above Street forecasts as well. However, the shoe retailer also projected current quarter revenue below analyst estimates,
Regal Entertainment—Regal is exploring various strategic options, including a possible sale, and has hired Morgan Stanley to assist. The movie theater chain also reported quarterly profit of 18 cents per share, one cent above estimates, but revenue was well short of forecasts.
Kohl's—Kohl's said its 2014 earnings will be near the low end of its prior forecasts, as sales weakens. The retail chain sees third quarter same-store sales down 1.4 percent, continuing a trend that's been evident during the past few quarters.
AutoZone—AutoZone has been subpoenaed in California over its handling of hazardous waste. The auto parts retailer said it is cooperating fully with authorities on the matter.