Long-time financial journalist and markets observer Herb Greenberg, editor of Herb Greenberg's Red Flag Alerts, says that investor expectations have changed, based on markets where rapid gains seem easy. While he suggests that this mindset is not new — and notes that Wall Street always feeds the quacking ducks by giving them new ideas for how to capitalize on current events and trends — he says it is becoming harder for average investors to remember that a normal market is one that goes up slowly over time. He agrees with assessments that the market is in a bubble, but says investors should know to ride along but protect themselves.

Todd Rosenbluth, head of research at VettaFi makes the rare move of revisiting a past ETF of the Week pick, singling out a T. Rowe Price actively managed bond fund for proving the point he was making about it roughly a year ago, when he previously selected it for attention.

Plus Jeremy Keil, retirement planner at Keil Financial Partners, discusses his new book, "Retire Today: Create Your Retirement Master Plan In 5 Simple Steps," noting that achieving a comfortable retirement is less about the money and more about setting expectations and planning for them.