Stocks keep most of the gains in trading today

• S&P is up 43.71 points or 1.67% at 2656.87. The high reached 2665.45. The low extended to 2635.78. 
• Nasdaq is up 143.957 points or 2.07% at 7094.30. The high reached 7117.98. The low extended to 7014.879.
• Dow is up 428.90 points or 1.79% at 24408.00. The high reached 24511.35. The low extended to 24198.95.

Some big gainers today included:

• Nvidia +5.80%
• Twitter, +5.46%
• Micron, +5.25%
• Tesla, +5.19%
• AMD, +4.72%
• Facebook, +4.5%
• Alibaba, +4.24%

Some losers today:

• United Continental, -1.37%
• Delta Airlines, -0.40%
• First Solar -0.08%
• US Steel, 0.00%
• PepsiCo, +0.02%