US stocks move higher; energy, GE, Twitter are among gainers

U.S. stocks are rising in midday trading, led by gains in the energy sector as the price of oil turns higher.

General Electric jumped 4 percent Monday after activist investor Nelson Pelts bought a stake in the company.

Twitter rose 5 percent after a long-running search for a full-time CEO concluded. Co-founder Jack Dorsey will have a second chance at leading the company.

The Dow Jones industrial average gained 188 points, or 1.1 percent, to 16,662 as of 11:45 a.m. Eastern time.

The Standard & Poor's 500 index rose 23 points, or 1.2 percent, to 1,975. The Nasdaq composite rose 45 points, or 1 percent, to 4,753.

Oil rose 2 percent to $46.70 a barrel in New York.

Bond prices fell. The yield on the 10-year Treasury note rose to 2.02 percent.