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

NEW YORK (TheStreet) -- Here's what Jim Cramer had to say about some of the stocks during the Mad Money Lightning Round Monday evening:

ConocoPhillips (COP) - Get Report: "I would buy some here but oil is still going down so I'd wait a moment."

Cerus (CERS) - Get Report: "This is a nice speculative stock."

Isis Pharmaceuticals (ISIS) : "In a market that can take Biogen Idec (BIIB) - Get Report down in the blink of an eye, this one is not ready yet."

Medidata (MDSO) - Get Report: "These are hard to own right now."

SanDisk (SNDK) : "I think the trade is now over and I don't want to be involved."

3M (MMM) - Get Report: "This was not a great quarter for 3M. It has too many sellers. I'd buy at $142."

To read a full recap of "Mad Money" on CNBC, click here.

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

To sign up for Jim Cramer's free Booyah! newsletter with all of his latest articles and videos please click here.

At the time of publication, Cramer's Action Alerts PLUS had a position in MMM.