CNBC's Jim Cramer gave viewers a preview of what's circled on his earnings calendar next week and warned that the coronavirus could weigh on how investors react. The "Mad Money" host dove into the earnings reports of the top social media stocks of Facebook, Twitter, Snap and Pinterest.

CNBC's said Friday that investors are worried about how the coronavirus epidemic in China could impact U.S. businesses and the market is feeling the impact as the novel virus continues to spread outside that country.

The plunged more than 227 points, or 0.78%, the declined 1.05% and the plummeted almost 1.80%.

"The most important thing you need to know about next week is that the coronavirus will color everything," the "Mad Money" host said. "If the situation remains as fluid ... or if it remains dynamic, get ready for February to end with a nasty whimper and a bear full of bang."

Cramer went on to present his game plan for the week ahead.

The four major social media companies are all performing well, but the diverging moves that the corresponding stocks made coming off earnings were have been defined by investor expectations, CNBC's said Friday.

The host crowned the stocks of and as winners; denoted and Snapchat-parent as losers.

"It was about the expectations," he said. "None of them had perfect results, but Facebook and Snap had run going into the quarter, while Twitter and Pinterest had sold off ahead. So Facebook and Snap got pulverized while Twitter and Pinterest caught fire."

Cramer gave his assessment of their quarterly reports and stock actions.

In Cramer's lightning round, the "Mad Money" host ran through his thoughts on callers' favorite stock picks of the day in rapid speed.

: "I have never, ever, ever been a fan of Cree. I've always felt that it was too episodic in this lighting business. I'm going to have to say no to you."

: "Everyone — I mean I've liked this one, by the way, since it came public — and you know everyone keeps saying it's going to be acquired. When I hear that everybody says it's going to be acquired, it probably will be, but I don't want to overstay my welcome."

Disclosure: Cramer's charitable trust owns shares of Facebook.