U.S. stocks softened on Tuesday, closing in negative territory as investors began the holiday-shortened week by taking profits in the wake of a sustained rally amid signs of weakening global demand.

YouTube Chief Executive and one of the first Google employees, Susan Wojcicki, is stepping down from her role at the tech giant that started in her garage nearly 25 years ago, she said in a personal update on the video-sharing platform on Thursday.

Tesla Inc's aggressive price cuts have ignited demand for its electric vehicles, Chief Executive Elon Musk said on Wednesday, playing down concerns that a weak economy would throttle buyers' interest.

The World Health Organization has called for "immediate and concerted action" to protect children from contaminated medicines after a spate of child deaths linked to cough syrups last year.

Spotify Technology SA said on Monday it plans to cut 6% of its workforce and would take a related charge of up to nearly $50 million, adding to the massive layoffs in the technology sector in preparation for a possible recession.

Brazil and Argentina aim for greater economic integration, including the development of a common currency, Brazilian President Luiz Inacio Lula da Silva and Argentine leader Alberto Fernandez said in a joint article they penned.

Billionaire Elon Musk said on Tuesday he will step down as chief executive of Twitter Inc once he finds a replacement, but will still run some key divisions of the social media platform.

Billionaire Elon Musk said he paid a visit to Twitter Inc's headquarters in San Francisco on Wednesday, ahead of a court-ordered deadline to close his $44 billion deal for the social media platform.

PayPal Holdings Inc said on Monday it will not fine users for misinformation and an earlier policy update that said customers could have to pay $2,500 in damages was sent in error.