CNBC Top Stories

Check out the companies making headlines after the bell.

The Department of Transportation says it's getting inundated with complaints about airline refunds from consumers and again issued guidance on what travelers are owed.

CNBC.com's MacKenzie Sigalos brings you the day's top business news headlines, and what to watch as the coronavirus pandemic continues to keep most of America on lockdown. Today, CNBC's Robert Frank takes a look at Tesla CEO Elon Musk and how following through on his threats to leave California for Nevada or Texas could lead to a lower tax bill.

Hedge fund manager Stanley Druckenmiller told the Economic Club of New York that he was skeptical of the stocks right now.

Wall Street fell as investors weighed the latest efforts to reopen the economy.

The concept is simple: Members of the ant group on Facebook post photos and videos about being ants. They live to serve their fictional queen and find her food such as crumbles, candy and ice cream.

California Gov. Gavin Newsom announced on Tuesday that state will move further into its reopening process, allowing some offices, malls and outdoor museums to resume operations with modifications.

California Gov. Gavin Newsom announced Tuesday that restaurants in select counties can reopen on-site dining under specific restrictions.

Twitter's acceptance of a mostly remote workforce predates the coronavirus pandemic.

Select venues at Universal Orlando Resort's CityWalk will reopen Thursday.

"I really hope we have three, four, five vaccines, because no manufacturer can make enough doses for the planet," Moderna CEO Stephane Bancel said during CNBC's Healthy Returns Virtual Summit.

Stocks fell sharply, giving back some of their recently strong gains, as investors evaluated the latest attempts to reopen the economy.

Scientists and health officials may find a vaccine that is effective in preventing Covid-19 by the end of this year "if we're lucky," billionaire philanthropist Melinda Gates tells CNBC.

The technology to make it happen already exists and retailers can implement it soon, said Jan Kniffen, CEO of J. Rogers Kniffen Worldwide Enterprise.

The group is asking Amazon to provide a state-by-state breakdown of workers who tested positive or died from the virus.

A conversation about the latest market-moving news, including the latest coronavirus news and testimony from Dr. Anthony Fauci.

Grubhub denied earlier this year that it was for sale.

Coronavirus testing advances, including antigen tests, are changing the battle to slow the spread of Covid-19, according to Verily co-founder Jessica Mega and Becton Dickinson CEO Tom Polen.

The U.S.-based pharmaceutical giant, which is working alongside German drugmaker BioNTech, last week dosed its first participants in the United States with a potential Covid-19 vaccine.

The Supreme Court appeared divided during arguments in a set of cases over whether President Donald Trump can keep his tax records shielded from state and congressional investigators.