Take a look at some of Monday's midday movers:
Airlines including American Airlines Group, Delta Air Lines, United Continental Holdings, JetBlue Airways and Southwest Airlines all declined as a winter storm hit the East Coast, prompting a slew of flights cancellations.
Hertz Global Holdings slipped after delaying its 2013 financial statements.
Toyota Motor fell after reporting February auto sales that were weaker-than-expected. General Motors reported February sales that were a bit better-than-expected, while Ford Motor's results were a little worse.
Apple edged lower after the company announced a partnership with a handful of car makers on a new way to use an iPhone in a car.
Darden Restaurants dropped as the chain projected third-quarter earnings below street forecasts.
FedEx were down after the company said it will raise shipping rates at its freight business by 3.9 percent, effective at the end of the month.
Plug Power rose after Cowen boosted its price target.
American Express fell. The company announced a no-annual-fee credit card.
AstraZeneca fell after Merrill Lynch/Bank of America downgraded the drug maker to underperform from neutral.
FireEye dropped. The cybersecurity company said it would sell $1.1 billion in stock.
—By CNBC's Rich Fisherman.
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