US equity close: Nasdaq powers higher

Closing changes:

• S&P 500 up 0.6%
• DJIA +0.3%
• Russell 2000 +0.2%
• Nasdaq Comp +1.2%
• Toronto TSX Comp +0.5%

Stocks started in a good mood that got progressively better as some big cap tech names made strong moves, led by a 10.1% gain in TSLA.