US Steel, Illumina, Nio rise premarket; Apple, Southwest, Roku fall

investing.com:

Investing.com — U.S. futures largely edged higher Monday at the start of the final full trading week of the year, continuing the recent rally with more Fed policymakers due to speak.

Here are some of the biggest premarket U.S. stock movers today:

United States Steel Corporation (NYSE:X) stock soared 28% after Japan's Nippon Steel said it would buy the steelmaker in a deal worth $14.9 billion including debt.

Apple (NASDAQ:AAPL) stock fell 0.5% after Bloomberg reported that more Chinese agencies and state-backed companies have asked their staff to not bring iPhones to work.

Southwest Airlines (NYSE:LUV) stock fell 0.4% after the carrier agreed to a $140 million penalty over the December 2022 holiday meltdown that led to 16,900 flight cancellations and stranded 2 million passengers.

Illumina (NASDAQ:ILMN) stock rose 5.3% after the gene sequencing company said it would divest cancer diagnostic test maker Grail after difficulties from U.S. and European antitrust enforcers.

Nio (NYSE:NIO) ADRs rose 9.2% after the Chinese electric vehicle manufacturer signed an agreement with CYVN Holdings, an investment vehicle based in Abu Dhabi, in which the latter agreed to invest $2.2 billion.

Wyndham Hotels & Resorts (NYSE:WH) stock rose 1% after the budget hotel operator asked its shareholders to reject the takeover offer from Choice Hotels (NYSE:CHH), citing a regulatory review of up to 24 months and lower valuation.

Salesforce (NYSE:CRM) stock rose 1.1% after Wolfe Research upgraded its stance on the software company to ‘outperform’ from ’peer perform’, saying the outlook for the company improved significantly.

Roku (NASDAQ:ROKU) stock fell 2.8% after Seaport Research downgraded the streaming device maker to ‘sell’ from ‘neutral’,