There are widespread concerns about Russian military activity on the border with Ukraine and its increasingly aggressive rhetoric.
US Stock Futures Rise as Traders Wait for Powell: Markets Wrap
S&P Futures 4,353.50 +28.00(+0.65%) Dow Futures 33,921.00 +196.00(+0.58%) Nasdaq Futures 15,000.50 +134.00(+0.90%) Russell 2000 Futures 1,810.50 +11.90(+0.66%)...