Chase the Road Runner but Don’t Go Over the Cliff

Wile E. Coyote was the unlucky villain in the Road Runner cartoons. Looking for a meal, he would repeatedly chase the Road Runner only to always meet a temporary slapstick demise. No matter how horrible his accident would be, he somehow showed up for the very next segment in the cartoon’s episode.

As a kid, my favorite Wile E. Coyote catastrophe had him running off a cliff, somehow defying gravity to pause in mid-air to consider his misfortune, followed by an excruciatingly long fall ending in a puff of dust as he hit the canyon floor.

Momentum investment strategies remind me of Wile E. Coyote. Momentum investors often rush headlong into a hot investment, but instead of stopping before the cliff’s edge, their enthusiasm and disregard for fundamentals expose their portfolios to unanticipated risk. Portfolios that had been significantly outperforming suddenly significantly underperform.

For decades, we’ve argued that the key to successful growth and momentum investing is not necessarily what stocks one buys because it is relatively easy to identify earnings growth or price momentum. Rather the key to successful growth/momentum investing tends to be knowing what stocks to sell.

Chase the Road Runner, but don’t go over the cliff.