At 12:54 p.m. ET, the Dow Jones Industrial Average was up 137.79 points, or 0.53%, at 26,009.25, the S&P 500 was up 18.53 points, or 0.60%, at 3,116.27. The Nasdaq Composite was up 89.37 points, or 0.90%, at 10,035.49.
US-based meat processor Tyson Inc slipped 2.9% as China's customs authority suspended imports of poultry products from a plant owned by the company that had been hit by the coronavirus.
American Airlines Group Inc fell 6.6% as it planned to secure $3.5 billion in new financing by selling shares and convertible senior notes to boost liquidity.
Virgin Galactic Holdings Inc soared 13.7% as it signed up with NASA to develop a program to promote private missions to the International Space Station.