watch nowCNBC's Jim Cramer on Wednesday said investors should consider buying some stocks while investor sentiment is extremely negative, leaning on charts analysis from technician Ralph Vince.
"The charts, as interpreted by Ralph Vince, suggest that investor sentiment has reached extremely negative levels, to the point where you've got to hold your nose and buy something," he said.
Last week, it was at 17.7%, which is one of the lowest readings in history, according to Cramer.
In other words, the chart suggests that now is a terrific buying opportunity, Cramer said.
"You've got to hold your nose and buy something, even if it makes you want to puke.