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After-hours buzz: Alcoa, Apple, Delta & more

Check out which companies are making headlines after the bell Monday:

Alcoa - The aluminum producer rose in after-hours trading a day before it releases quarterly earnings.

Read MoreBellwether or not, Alcoa signals start to earnings

Apple - Shares of the iPhone maker rose in after-hours trading, continuing gains that came with the company's announcement that it hired a luxury watch executive.

NYSE EuroNext flag hangs outside the NYSE.
Adam Jeffery | CNBC
NYSE EuroNext flag hangs outside the NYSE.

Applied Materials - Shares edged higher in after-hours trading, continuing gains that came after JPMorgan upgraded the company to overweight from neutral.

Delta Air Lines - The carrier fell in after-hours trading, extending declines that came during the regular trading session after the company reduced its service to Venezuela.

—By CNBC's Kate Gibson

Questions? Comments? Email us at marketinsider@cnbc.com

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