Philosopher Rene Descartes championed questioning everything. One of his work includes the book Meditations on First Philosophy. He believed that if something deceives us once, it warrants caution.

Descartes shares closed Wednesday at $70.01, down 40% from their 52-week high of $117.35, giving the company a market capitalization of $6.03 billion. The stock trades at a forward price-to-earnings ...