The Latest: Wall Street tracks Europe higher

LONDON (AP) — The latest on the turmoil global financial markets (all times local):3:30 p.m.
Stocks in the U.S. have opened strongly, taking their cue from a buoyant performance in Europe.
The Dow Jones industrial average was up 0.7 percent at 16,131 while the broader S&P 500 index rose 1.2 percent to 1,873. In Europe, the Stoxx 600 index of European shares was trading 2 percent higher at 316.
Traders on both sides of the Atlantic are closely monitoring Federal Reserve Chair Janet Yell