SK hynix: The South Korean chipmaker will join the Nasdaq in the largest-ever market debut by a foreign company, after raising $26.51 billion in yesterday's offering.

easyJet Plc: Shares in the U.K. budget airline jumped after it said this morning it agreed to a takeover by asset-management firm Apollo.

Vodafone: The U.K. telecoms company's shares shot up premarket after French billionaire Xavier Niel took a 16% stake in the group, a move that makes him the company's largest shareholder.

Netflix: Shares ticked higher in premarket trading after The Wall Street Journal reported that the streaming giant is exploring live TV and bundles to keep viewers hooked.

Applied Materials, Micron Technology, Marvell Technology, Intel, Advanced Micro Devices: The chip stocks fell in premarket trading ahead of SK Hynix's first day of trading.

Delta Air Lines: The airline is due to report its second-quarter results this morning.