Did you miss "Mad Money" on CNBC? If so, here are some of Jim Cramer's top takeaways.

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Is it too late to buy the red-hot stocks of Nvidia (NVDA) - Get Report and Advanced Micro Devices (AMD) - Get Report ? Cramer said his first job as investing coach is to "do no harm," and that may be problematic with these two stocks.

Cramer said he remains a big fan of AMD, as the company seems to have the edge over rival Intel (INTC) - Get Report . As for Nvidia, that company reminds him a lot of Intel in the 1990s, when the stock had a meteoric run.

But the problem with both stocks are that they tend to get hammered some days and cool off during others, making them a risky bet on any given day. Cramer never advises chasing stocks higher, but he said that if investors are patient and buy some of their position now and some on the next midday pullback, he'd bless owning either company.

Over on Real Money, Cramer says we could continue to see this brutal bifurcation, as oil could go much lower. Get more of his insights and a free trial subscription to Real Money.

Cramer and the AAP team say they're watching Apache (APA) - Get Report and Schlumberger (SLB) - Get Report closely after a downgrade. Find out what they're telling their investment club members and get in on the conversation with a free trial subscription to Action Alerts PLUS.

Search Jim Cramer's "Mad Money" trading recommendations using our exclusive "Mad Money" Stock Screener.

Nvidia's shares fell 0.7% to $158.38 by Thursday's close, and AMD's were up 2.9% to $14.38.

To read a full recap of this episode of "Mad Money," click here.

To watch replays of Cramer's video segments, visit the Mad Money page on CNBC.

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At the time of publication, Cramer's Action Alerts PLUS had positions in APA, SLB.