The advent of new technologies like hit-to-kill missile seekers and advanced signal processors greatly increased the defensive potential of the system while reducing the danger of collateral damage.

FORBES: Missile Defense Becomes A Navy Mission

The danger signal for technology and financial services at the end of last year, for example, was that their weightings had each reached almost 20% of the market.

FORBES: Watch your sectors

With my indicators on a sell signal for bonds since August 16, I have been warning about bonds being overbought and in danger of rolling over into a serious correction for several months.

FORBES: Who Will Buy All Those Treasury Bonds When The Fed Stops?