Phillip Wool, chief research officer and lead portfolio manager, Rayliant Global Advisors, says "there are places where valuations are so stretched I find it hard to explain," but he notes that is more in certain sectors and certain themes, but he says the global economy is in a good place, which makes him optimistic about the future for stocks, just cautious about how much investors should set expectations. He notes that when valuations get this stretched, future returns tend to be muted. He also discusses why he believes there is still time for investors who have missed the foreign stock rally this year to get involved. "This is not something that has played out," he said, "there's still room for this international outperformance to continue."

Ryan Jacob, chief investment officer of the Jacob Funds — who was the first portfolio manager of an Internet fund when they first emerged in the 1990s — talks stocks in the Market Call, but also focuses on the similarities between the artificial intelligence boom that's powering the markets today and the Internet bubble that ended so badly with a market crash in 2000.

Plus, Chuck remembers longtime Wall Street Journal columnist and personal finance educator Jonathan Clements of HumbleDollar.com, who passed away over the weekend after a battle with lung cancer. Clements — a long-time contemporary of Chuck's in the personal finance journalism world — was last on the show one year ago today, discussing his diagnosis and leaving behind lasting lessons.