Editor's note: The following are questions received from viewers of "Mad Money," seen every day at 6 p.m. EST on CNBC.


Shares of BHP Billiton (BHP) are up 20% year to date. Is it too late to buy the stock?

-- Josh from Florida

James J. Cramer: First of all, let me say that I own BHP in my charitable trust, ActionAlerts PLUS . The stock sure has been white-hot of late, gaining 15% over the past three weeks.

With that in mind, I'd tell viewers to hold off of chasing the metals stocks for the time being. Even so, I believe BHP will continue to prosper in the coal, iron ore and zinc markets for several quarters to come.


Want more Cramer? Check out Jim's rules and commandments for investing from his latest book by clicking here.