The Supreme Court deliberates whether Boulder County's climate suit against Exxon (XOM) and Suncor (SU) can proceed in state court, with potential national implications. Mattel (MAT) faces activist pressure from Ariel Investments and Southeastern Asset Management to explore strategic alternatives, including a sale, after post-Barbie profitability weakness.

A major Mattel shareholder said the company should explore a takeover by potential buyers. The Barbie maker has struggled with declining sales and profitability in recent years.

A major shareholder ‌of Mattel is calling for the toymaker to explore strategic alternatives, including ​a potential sale, the ​Wall Street Journal reported on Monday.

Ariel Investments, which has a 5.4% stake in Mattel, said Monday it believes the company's shares remain significantly undervalued with its current structure as a public company.

CNBC's 'Squawk Box' team discusses Mattel.

Mattel Inc. is welcoming a new boss. So is Paramount.

Mattel shares rose Thursday after the Wall Street Journal reported that Authentic Brands Group had expressed takeover interest. The news came the day after the toymaker announced that Condé Nast CEO Roger Lynch would take over as CEO.

Mattel has been ​privately discussing a takeover offer ‌from Authentic Brands Group that could value the Barbie maker at ​around $6 billion or more, ​the Wall Street Journal reported ⁠on Thursday, citing people ​familiar with the matter.

Shares in the toy maker dropped 4% Wednesday after it named a new CEO.

EL SEGUNDO, Calif.--(BUSINESS WIRE)--Mattel, Inc. (NASDAQ: MAT), a leading global play and family entertainment company and owner of one of the world's most iconic brand portfolios in the world, announces a milestone in the expansion of its worldwide experiences business, confirming Bellevue, Nebraska, is now the first Mattel Wonder Indoor Waterpark planned to open at the end of 2027. Designed as a year-round, multi-brand destination, the approximately 100,000-square-foot waterpark will bring B.