After the bell, shares in FedEx Corp (NYSE:FDX) added 3% following the release of earnings, but then went flat at US$252.
The delivery titan posted EPS (earnings per share) and revenues that beat analysts' expectations and raised its guidance for the year.
Meanwhile, Time Warner Inc (NYSE:TWX) shed over 1% after the bell as a snowstorm predicted to hit the Northeast of the USA postponed opening arguments for the Justice Department's case over the company's proposed merger with AT&T to Thursday.
MuleSoft Inc (NYSE:MULE) shares added 5.24% to US$44.20 after Salesforce.com signed a deal to acquire the software maker for around US$6.5bn.
Arena Pharmaceuticals Inc (NASDAQ:ARNA) lost 2.36% to US$40.69 in extended trade after it announced plans for a US$7.5mln public offering of common stock.