Last week Alex Honnold, the famous climber, astonished the world with his solo ascent up the sheer vertical face of El Capitan, without ropes or safety gear. It was an impossible athletic feat made possible by years of careful planning and expert knowledge. Honnold studied the mountain, practiced, and knew every inch of his route. While the entire feat was insanely courageous and dangerous, he identified places where he could reduce risk. Then he stuck to his plan. There’s a lesson in that for investors. This month we’ll talk about beguiling shortcuts to the mountaintop and why sticking to a proven plan is a better idea. But first, a look at May numbers