Stock futures jump after China announces plans to cut tariffs on $75 billion in US goods. /ES+11.50, SPY + 1.26 @ 334.14. What to expect SPY will go up to high 335.00-335.20, low – 333.50, caution late day may sell off, may break 333.50 to 332.40, but should closed up green. Signal is bull but...