The unexpected decline was influenced by weaker sales at gas stations
Measure isn't intended to lower longer-term rates, Fed says
Prices have risen at a modest annual rate of 1.7% over the past 12 months
Powell may face challenges on future moves
Charles Schwab, TD Ameritrade and E*TRADE have all dropped trading commissions
Average hourly wages saw a slight decline
U.S. political insider warns of the fallout, from stock selloffs to the Democratic nomination
Analysts believe growth will slow further in coming quarters
If cross-border clients meet the strict requirements and comply, they'll pay no U.S. tax
Powell was speaking at the University of Zurich on Friday