Even emerging economies could struggle, with one-third of regions slowing
Minutes reveal "most" officials think the three recent rate cuts are enough for now
September's stagnant reading followed a modest 0.1% August increase
New IMF head calls on countries to co-operate amid global slowdown
Consumer spending and business investment rose at slower rates than expected
Two officials preferred to keep rates unchanged and one argued for a bigger cut
The Fed chair was speaking in Switzerland on Friday
Powell's speech follows China's new tariffs announced earlier Friday
Fed set to cut key rate for the first time since the Great Recession
This is down from a 3.1% gain in the first quarter