After Donald Trump's election victory euphoria reigned on Wall Street, but now share prices are tumbling. The value of the companies listed on the S&P 500 US stock market index has shrunk by four trillion dollars since mid-February. The media take a look at what's behind the turmoil in the US's big tech-dominated economy.

In Serbia, the student protests against Aleksandar Vučić's government are gaining force - as is the state's reaction: police have used batons against students blocking access to television broadcasters in Belgrade and Novi Sad. Up to now the wave of protests that began in November has been mostly peaceful. Commentators assess the political situation in light of this escalation.

Talks aimed at finding a way to end Russia's war against Ukraine are underway in Saudi Arabia. Ukrainian President Volodymyr Zelensky and US Secretary of State Marco Rubio met individually with Saudi Crown Prince Mohammed bin Salman ahead of the summit. Today, government representatives from the US and Ukraine will negotiate directly with each other. Europe's presses focuses on the limited leeway that Washington is allowing Kyiv.

Greenland's population of around 57,000 is electing its parliament, the Inatsisartut, today. All but one of the parties represented there have so far agreed on the goal of independence for the Arctic island, which belongs to Denmark but has autonomous status. Donald Trump's overt ambitions to take over Greenland loom large over political life in the capital Nuuk.

Mark Carney, former governor of the Bank of Canada and the Bank of England, has been elected leader of the Canadian Liberal Party by a large majority. With the appointment Carney will also take over the post of prime minister after Justin Trudeau resigns. He has vowed that Canada will not become part of the US under any circumstances. European media weigh in.

Romania's central electoral bureau has barred the right-wing populist politician Călin Georgescu from the re-run of the presidential election on 4 May. Georgescu plans to challenge the decision. After he won the first round of the presidential election in November, the vote was annulled by the country's Constitutional Court due to allegations of Russian meddling. Commentators take stock.