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Jim Cramer's stock of the week is

Pike Electric

( PEC), he said Monday on his "Mad Money" TV show.

Pike, a utility service company, can be played both as a trade and as an investment, Cramer said. The trade would be to buy Pike now and sell it as soon as the company either revises earnings estimates upward or announces earnings, whichever comes first. Pike is doing most of the repair work to electricity transmission lines wiped out by Hurricanes Katrina and Rita, said Cramer, and the company should have excellent earnings and good visibility.

Pike also makes sense as a long-term investment because the company is expanding across the country and is expected to grow at 10% for the next couple of years. The company is the "best of breed," lowest-cost operator in the utility transmission and distribution outsourcing market, and the stock trades at a discount to peers

Emcor

(EME) - Get Report

and

Quanta Services

(PWR) - Get Report

, said Cramer.

Pike came public in July around $14. As of Monday's closing price of $17.75, Cramer doesn't believe the stock has peaked. However, Cramer would recommend using limit orders to purchase the stock as it is thinly traded.

Commenting on natural gas plays

EnCana

(ECA) - Get Report

and

Chesapeake Energy

(CHK) - Get Report

, Cramer said Chesapeake is cheaper than EnCana and that Chesapeake's business is "smokin'." The company's operations were "barely touched by the hurricane."

Cramer also said he also likes the building materials stocks but that Greenspan has "cast a pall" on them by continuing to raise interest rates and with recent comments about a housing bubble. That said, Cramer likes

Vulcan Materials

(VMC) - Get Report

, which is "best of breed," he said.

JDSU Ballyhoo

Cramer is giving

JDSU

(JDSU)

a "triple buy" because of its proposed reverse stock split and improved business outlook. Most of the time, said Cramer, a reverse stock split is purely cosmetic and is a sign a company is trying to hide something. However, in JDSU's case, the share count is "ridiculous," said Cramer, and a reverse stock split will allow the company to more easily show meaningful earnings growth.

Additionally, said Cramer, CEO, Kevin Kennedy has turned the company around just in time for a "world-wide pickup in carrier spending." Kennedy has done all the things Cramer wanted him to do, he said, so it's time for Cramer to get positive on the stock, he said.

Cramer thinks JDSU's stock can go to $2.50, presplit. JDSU ended the regular session Monday at $2.01.

Hain Expects Growth Gains

Hain Celestial Group

(HAIN) - Get Report

CEO Irwin Simon joined Cramer by telephone on the show. Cramer asked Simon where he expected growth in his company.

Growth is going to come from snacks, drinks and the company's new free-range chicken products, he said.

Cramer wanted to know when Hain's stock would trade at a multiple more comparable to

Whole Foods Market

( WFMI) and

Wild Oats Markets

( OATS).

Simon said his company owned some of the best brands in the natural foods industry and that eventually investors will realize that.

Cramer summed up the interview saying, "This is the cheap natural food play. ... I like this stock. Wish I owned it myself."

Lightning Round

Bullish

Cramer was bullish on

Walgreen

(WAG)

,

Motorola

( MOT),

Pioneer Drilling

( PDC),

Allscripts Healthcare Solutions

(MDRX) - Get Report

,

SanDisk

(SNDK)

,

Shanda Interactive Entertainment

( SNDA),

Powerwave Technologies

(PWAV)

,

IntraLase

( ILSE),

Qualcomm

(QCOM) - Get Report

,

T. Rowe Price Group

(TROW) - Get Report

,

Google

(GOOG) - Get Report

,

Yahoo!

(YHOO)

,

TreeHouse Foods

(THS) - Get Report

,

Global Signal

(GSL) - Get Report

,

NGAS Resources

( NGAS),

Foster Wheeler

,

Caterpillar

(CAT) - Get Report

,

Parker-Hannifin

(PH) - Get Report

,

Ingersoll-Rand

(IR) - Get Report

,

Cummins

(CMI) - Get Report

and

Best Buy

(BBY) - Get Report

.

Bearish

Cramer was bearish on

Nokia

(NOK) - Get Report

,

Calpine

(CPN)

,

3M

(MMM) - Get Report

,

Oracle

(ORCL) - Get Report

,

Ionatron

(IOTN)

,

KongZhong

(KONG)

,

Andrew

( ANDW),

Click Commerce

( CKCM),

Biovail

( BVF),

Conn's

(CONN) - Get Report

,

Corning

(GLW) - Get Report

,

Solectron

( SLR),

Flextronics

(FLEX) - Get Report

,

Celestica

(CLS) - Get Report

,

TOP Tankers

( TOPT) and

Avocent

( AVCT).

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

clicking here

. It's a series of articles from Cramer on how to become a better investor. The following table lists some of the rules that Cramer dissects.

As originally published, this story contained an error. Please see

Corrections and Clarifications.

At the time of publication, Cramer was long EnCana, Motorola, Qualcomm and Yahoo!.

James J. Cramer is a director and co-founder of TheStreet.com. He contributes daily market commentary for TheStreet.com's sites and serves as an adviser to the company's CEO. Outside contributing columnists for TheStreet.com and RealMoney.com, including Cramer, may, from time to time, write about stocks in which they have a position. In such cases, appropriate disclosure is made. To see his personal portfolio and find out what trades Cramer will make before he makes them, sign up for

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