U.S. indexes open higher, lower on fear index

U.S. indices open on a high and a low for the fear index .

US indices opened their trading for Tuesday on a collective rise ..

The Dow Jones index rose by 0.36%

The Nasdaq index rose by 1.04%

The S & P 500 index rose by 0.67% .

As for the VIX fear index, it fell by 3.81% .