Corporate results:
 
Arista lost 7% after its quarterly results.
Cadence Design lost 7% after its quarterly results.
Randstad reports fourth-quarter core earnings in line with expectations.
TUI announces better-than-expected first-quarter results.
Coca-Cola beat Wall Street expectations for fourth-quarter revenues.
Biogen anticipates a return to annual profit growth after cost cuts and higher in sales of its newer drugs, but its stock tumbled 6% after its Q4 results missed estimates.
Principal Financial reported a rise in fourth-quarter earnings on Monday, thanks to higher insurance premiums and investment income.
Cadence Design Systems expects a decline in first-quarter sales due to unfavorable base effects.
In other news:
 
Glencore has decided to sell its 49% stake in KNS, the joint venture that mines Koniambo nickel in New Caledonia.
Standard Chartered provided banking services to a Chinese company that worked with US-sanctioned Iranian companies, according to the Sunday Times.
Balder raised SEK 1.17 billion ($112.38 million) in equity from institutional investors, including AMF and Swedbank Robur.
Danube closes its offer to buy back outstanding DSM shares.
Tripadvisor jumped 13.5% before the opening after the online travel agency set up a committee to consider a potential sale of the group.
JetBlue Airways advanced 14.5% in pre-market trading after activist investor Carl Icahn said he had taken a 9.91% stake in the airline.
ARM Holdings was down 3.1% in pre-market trading on Tuesday after having gained 93% since February 7, when the semiconductor group presented its outlook against a backdrop of frenzy around artificial intelligence (AI).
New York Community Bancorp gained 2% in pre-market trading as investors assessed measures taken by the regional bank's management to stabilize the share price.
Paramount Global gained 1% in pre-market trading after CBS announced that some 123.4 million people had watched the final of the Super Bowl, the American soccer championship, which resulted in the victory of the Kansas City Chiefs over the San Francisco 49ers, making it the most-watched edition of all time.