It is very turbulent on the world's stock exchanges at the moment. On Monday, the three leading indices on the US stock exchanges reported the largest race since the December 2008 financial crisis.
On Tuesday, they rose significantly. President Donald Trump's plans for measures to stimulate the economy have calmed down some investors.
Several oil companies presented cost savings to meet the race for the world market price of crude oil. Chevron rose 5.3 percent and Marathon Oil lifted just over 21 percent.
The Dow Jones industrial index lifted 4.9 percent, the S&P 500 up 4.9 percent, while Nasdaq's composite index ended plus 5.0 percent.