Check out which companies are making headlines after the bell Thursday:
JCPenney - The retailer's shares slipped in extended-hours trading after tumbling nearly 6 percent in the regular session, which made it one of the biggest decliners on the S&P 500.
(Read More: Stocks End Off Lows as House to Reconvene)
Expedia - The travel website's shares were unchanged in after-hours trading after being the biggest gainer on the S&P 500 index in regular trading, jumping more than 4 percent.
ProLogis - The real estate investment trust firm announced that its co-CEO Walter Rakowich will retire at the end of the year and will be succeeded by Hamid Moghadam, as announced in January 2011 when the company merged with AMB.
Airgas - The distributor of industrial and medical gases announced it has acquired equipment rental and services business D&D Power. Financial terms weren't disclosed.
Synchronoss Technologies - The tech company announced that it has acquired cloud-services company NewBay from Research In Motion for $55.5 million.
Royal Caribbean - The cruise- line operator ordered its third Oasis-class vessel for delivery in mid-2016.
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—By CNBC's JeeYeon Park (Follow JeeYeon on Twitter: @JeeYeonParkCNBC)
Questions? Comments? Email us at marketinsider@cnbc.com
