Don’t panic about market volatility: Jack Bogle Posted on March 11, 2016 by Deep Don’t panic and don’t worry about calling a bottom, Jack Bogle, founder of the Vanguard Group, told CNBC’s “Power Lunch” on Wednesday. Bogle told CNBC in January that investors should stay the course in this volatile market. While he saidRead More Don’t panic about market volatility: Jack Bogle