Wall Street rises after two-day selloff

Most gains have been in the energy and healthcare sectors

US stocks rose at the open on Tuesday, following two days of declines in major indexes, with gains in the energy and healthcare sectors leading the advance.

The Dow Jones industrial average rose 125.65 points or 0.77%, to 16,402.34, the S&P 500 gained 12.5 points or 0.67%, to 1,869.94 and the Nasdaq Composite added 32.048 points or 0.76%, to 4,258.433.