Investors are finally catching their breath this week.The stock markets aren’t getting rocked with volatility. And in fact, the Dow is on pace for its best weekly gain of 2016, up over 400 points since last Friday’s close. The Nasdaq was up Friday and the S&P 500 was mostly flat. All U.S. markets are up between 2.4% and 3.8% this week. The big fears of 2016 — low oil prices ...