fluctuation

"Even with adaptive optics, the photonic lantern was so sensitive to the wavefront fluctuations that I had to develop a new data processing technique to filter out the remaining atmospheric turbulence."

The brutal divergence in performance is caused by what traders call “volatility decay,” or the tendency of price fluctuations to erode the long-term returns of a leveraged fund, even if the underlying asset goes up.

But such demand fluctuations would be highly unlikely.

The firm said this represented an "organic loss" -- stripping out the impact of currency fluctuations -- of 0.3 percent.

Macroeconomic uncertainty, stock market fluctuations, and geopolitical events are dampening housing demand, outweighing the benefit of lower rates.