Last Monday, Japanese stock markets saw their worst day since 1987, with the Nikkei 225 index plummeting 12.4 percent. The U.S. markets, which faced heat the week before due to a weak jobs report, also declined around 3 percent that day. Several factors were at play, most notably Japan’s central bank announcing the previous Wednesday (July 31) that it would raise interest rates from near-zero to 0.25 percent. The historic move hit the stock…