U.S. stock index futures were mostly flat Monday, as traders monitor the bond market's warning signals about the economy.
Futures for the Dow Jones Industrials squeezed up two points to 34,720.
Futures for the S&P 500 took on 6.25 points, or 0.1%, to 4,545.50.
Futures for the NASDAQ Composite Index gained 47 points, or 0.3%, to 14,910.75.
Twitter shares surged more than 25% after SEC filings revealed Elon Musk purchased a more than 9% passive stake in the social media company.
It comes less than a week after Musk polled his followers, questioning whether the social media giant follows free speech principles. Based
on Twitter's Friday closing price, the stake is worth $2.89 billion.
Tesla shares ticked higher by 1%, after the company reported on Saturday its latest quarterly electric vehicle delivery figures. The company delivered more than 310,000 EVs in the first quarter, up from 184,800 in the year-earlier period.
Meanwhile, Starbucks shares dipped about 1% after the coffee chain suspended its share repurchase program.
Investors are also monitoring the latest developments in Ukraine. German Chancellor Olaf Scholz said Sunday that Western nations will impose additional sanctions on Russia in the coming days.
In Asia, the Nikkei 225 in Japan forged ahead 0.3%, while in Hong Kong, the Hang Seng index zoomed 2.1%.
Oil prices picked up $1.19 to $100.46 U.S. a barrel.
Gold prices added $10.20 to $1,933.20 U.S.