Write a short memo or report. For the items found below, show how they have changed over time. You can choose any date that is at least one week after the first report. For each of the four items, provide a possible reason for why they might have changed. It doesnt have to be the correct reason but give a plausible reason.

1) The value of the S&P500 on: September 19 is $3855.93 September 20 is $3789.93 Percent change: 3789.93-3855.93/3789.93 = -66/3789.93*100 = -1.74145%

2) The value of the VIX: $27.16

3) The dollar/yen exchange rate: 143.04

4) The one-year and 30-year treasury yield 1-year treasury yield: 4.03 30-year treasury yield: 3.59