Mad Money host, Jim Cramer, consulted with futures broker, Carley Garner, in December about the fate of the US stock market using the E-mini S&P 500 chart; they revisited the topic on February 12th. 

Cramer: Charts show steady investor optimism, more upside for stocks from CNBC.

"Remember, ... Carley Garner has been dead-right, and the charts, as interpreted by Carley, suggest that this market still has some more upside here," Cramer continued. "But if we get a few more days like this wild one, she thinks we'll need to start worrying about irrational exuberance. For now, though, she thinks we are headed higher, and I agree."

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