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

I have not heard you mention Duke Energy (DUK) - Get Report lately. Is it time to back up the truck?-- Wayne from Arkansas

James J. Cramer:

This is no longer one of my favorite utilities, so I believe it's still too early to issue a 'mon back.* That said, given the recent decline here, I'd take a fresh look if Duke's dividend yield were to move above 5% in the near term.

*For all you home-gamers, a 'mon-back opportunity means Cramer would back up the figurative truck and load up on a stock.

I know Corning (GLW) - Get Report is tops in the fiber optic business. What is your take?-- Mark from Virginia

James J. Cramer:

I believe this stock could outperform over the coming months because of the prospects for strong TV sales. Even so, the stock is already up 70% on the year, so I look at Corning only for a short-term trade.

I own Starbucks (SBUX) - Get Report, Intel (INTC) - Get Report, Motorola (MOT) , Corning and Sirius Satellite Radio (SIRI) - Get Report. Am I diversified?-- Ray from Texas

James J. Cramer:

Sorry, but you have far too many technology stocks in this portfolio. Try looking to add a financial, like

JP Morgan Chase

(JPM) - Get Report

. As a note, I own Intel and Motorola in my charitable trust,

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

clicking here

.