Before the Bell | Ford unloads more shares of electric-vehicle startup Rivian

Futures on the $Dow Jones Industrial Average (.DJI.US)$ fell 0.13%, while $S&P 500 Index (.SPX.US)$ futures dropped 0.33% and $Nasdaq Composite Index (.IXIC.US)$ futures were down 0.50%.

Social media has grappled with phony accounts for years, raising questions about why $Tesla (TSLA.US)$ CEO Elon Musk is talking about them again now. $Twitter (Delisted) (TWTR.US)$

After more than 30 years of operations in the country, $McDonald's (MCD.US)$ announced it will exit the Russian market and has initiated a process to sell its Russian business.

$Ford Motor (F.US)$ sold 7 million $Rivian Automotive (RIVN.US)$ shares at a price of $26.88, the company says. That followed an 8-million-share sale earlier in the week at about the same price.

$JetBlue Airways (JBLU.US)$ plans to launch a hostile takeover attempt for discount carrier $Spirit Airlines (SAVE.US)$, after Spirit rejected JetBlue's $3.6 billion offer in favor of an existing deal with Frontier Airlines.

Many managers leading the company's roughly 4,700 U.S. stores have been in their roles for at least a decade, and $Walmart (WMT.US)$executives say they need to find a new generation to replace them.