Tesla Motors (TSLA): No doubt Tesla shares are trading on emotion, said Cramer, but the company's promise might just be realized some day.
Here are Friday's top research calls, including upgrades for Eli Lilly, Regeneron and GE, and downgrades for Nordstrom, Coca-Cola, Apache and Duke Energy.
But we could see more volatility in the market.
Impinj is a speculative stock but would be good to own if there's a pullback.
This is not the time to sell in a panic, Cramer says.