The odds of an investor experiencing a big market crash during his/her life are 100%.A well-diversified portfolio might save you from losing money in any 10-year period, but it also might "save" you from achieving high returns over time. Diversification won't save you from experiencing big drawdowns during market panics when correlations go to 1.00 and all assets move together up and down regardless of underlying fundamentals.Paul Tudor Jones says...