The Dow ekes out a gain after surrendering 300 points in the final hour of trading

US stocks surged early, but struggled to hold onto their gains. The Dow Jones industrial average nearly erased its 400-point gain, finishing higher by just 46 points, or 0.19%. 
Here's the scoreboard:
Dow Jones Industrial Average: 23,979.10 +46.34 (+0.19%)
S&P 500: 2,614.13 +9.66 (+0.37%)
AUD/USD: 0.7701 +0.0024 (+0.29%)
ASX 200 SPI futures: 5,784.5 +47.5 (+0.83%)The US deficit is expected to surpass $1 trillion by 2020, according to Congressional Budget O