SP 500 Index

Tesla is the sixth-largest company to join the S&P 500. But what does that mean, exactly?
U.S. stock futures and Asian shares fell after the president tweeted that he had contracted the coronavirus.
On Tuesday, the S&P 500 posted a record high, wiping out all its losses since the pandemic started. It means little to the thousands of now-shuttered business.
The stock market continued to plummet as investors struggled to gauge the economic impact of the COVID-19 outbreak.
The Fed has been cutting short-term interest rates in a bid to shore up the economy amid the costly impact from the U.S.-China trade war.