Updated from 12 p.m. EST

Shares of

Fuel Tech

(FTEK) - Get Report

were among the

Nasdaq's

winners Tuesday, jumping 21% after the company posted better-than-expected third-quarter results and increased its revenue projections.

Fuel Tech, a maker of products used in utility and industrial applications, earned $2.1 million, or 9 cents a share, up from $1 million, or 5 cents a share, a year earlier. Revenue rose to $20.2 million from $12.8 million. Analysts polled by Thomson First Call expected earnings of 6 cents a share on revenue of $17.5 million.

For the year, Fuel Tech now expects revenue of $70 million to $74 million. Previously, it forecast revenue of $68 million to $72 million. Analysts project revenue of $71.6 million. Shares were up $4 to $23.34.

Emerson

(EMR) - Get Report

climbed 6% after the electrical products company's posted strong fourth-quarter results, increased its dividend and declared a stock split. For the period ended Sept. 30, the company earned $526 million, or $1.29 a share, on revenue of $5.52 billion. Results included a one-time gain of 5 cents a share. Analysts expected earnings of $1.20 a share on revenue of $5.25 billion. During the year-earlier quarter, the company earned $419 million, or $1.01 a share, on revenue of $4.64 billion.

Looking ahead, Emerson forecast 2007 earnings growth of 12% to 15% over its 2006 earnings of $4.48 a share. The company projects revenue growth of 7% to 11%. Analysts, on average, target earnings of $5.03 a share and revenue of $21.54 billion.

Emerson also said it will increase its quarterly dividend to 52.5 cents from 44.5 cents. In addition, the company has set a 2-for-1 stock split payable Dec. 11 to shareholders of record Nov. 17. Shares were up $4.72 to $87.28.

Shares of

Pike Electric

( PEC) dropped 11% after the provider of outsourced electric distribution and transmission services posted first-quarter earnings that were well below expectations. For the period ended Sept. 30, Pike earned $1.6 million, or 5 cents a share, on revenue of $149.5 million. Analysts predicted earnings of 23 cents a share. During the year-earlier period, the company earned $17.5 million, or 58 cents a share, on revenue of $218.4 million.

"While earnings for the quarter were disappointing, we believe the lack of significant storm revenues coupled with several unusual events made the quarter atypical in nature," Pike said. "Unexpected losses in our Florida operation, increased fuel costs, severance charges, and increased professional service fees combined to significantly impact the quarter's earnings." Shares were down $1.93 to $16.29.

Headwaters

(HW)

shares tumbled 14% after the maker of industrial products reported revenue that missed analysts' forecast. For the quarter ended Sept. 30, Headwaters earned $28 million, or 61 cents a share, compared with $44.9 million, or 95 cents a share, a year ago. Analysts predicted earnings of 48 cents a share in the most recent quarter. Revenue fell 13% from a year ago to $275.2 million, missing analysts' forecast of $281.9 million.

For fiscal 2007, the company expects to earn $1.60 a share to $1.80 a share. Analysts expect earnings of $1.56 a share for the full year. The stock was down $3.66 to $21.59.

Shares of

Herbalife

(HLF) - Get Report

rose 2% after the nutritional supplements maker posted better-than-anticipated third-quarter results. The company earned $26.5 million, or 36 cents a share, compared with $27.1 million, or 37 cents a share, a year earlier. Excluding items, earnings were $38.1 million, or 51 cents a share, above analysts' average estimate of 46 cents a share. Revenue rose to $476.4 million from $401 million, exceeding analysts' forecast of $470 million.

Herbalife predicts fourth-quarter earnings of 52 cents to 55 cents a share, with revenue growth of 18% to 20%. Analysts project earnings of 52 cents a share and revenue of $485 million. Shares were trading up 73 cents to $38.98.

Shares of

Foundation Coal

( FCL) fell 4% after the coal miner posted disappointing third-quarter results. On an adjusted basis, the company earned $7.7 million, or 16 cents a share, on revenue of $347.5 million. Analysts expected earnings of 25 cents a share and revenue of $364.8 million. During the year-earlier period, the company earned $21.2 million, or 46 cents a share, on revenue of $333.5 million. "As anticipated, third quarter earnings were impacted by miners' vacations and a scheduled longwall move at Cumberland Mine," the company said.

Foundation Coal expects 2006 earnings of $1.39 to $1.65 a share, below Wall Street's forecast of $1.89 a share. The company anticipates revenue of $1.42 billion to $1.49 billion, compared with analysts' projection of $1.5 billion. Shares were down $1.44 to $35.41.

The

NYSE's

top volume movers included

Nortel

( NT), down 13 cents to $2.26;

Lucent Technologies

( LU), up 5 cents to $2.51;

Pfizer

(PFE) - Get Report

, up 32 cents to $27.31;

Motorola

( MOT), down 38 cents to $22.45;

Time Warner

(TWX)

, down 9 cents to $19.86;

General Electric

(GE) - Get Report

, up 20 cents to $35.47; and

Sprint

(S) - Get Report

, up 36 cents to $19.41.

Nasdaq volume leaders included

Cisco Systems

(CSCO) - Get Report

, up 20 cents to $24.88;

Sirius Satellite Radio

(SIRI) - Get Report

, down 5 cents to $3.97;

Level 3 Communications

(LVLT)

, up 19 cents to $5.54;

Intel

(INTC) - Get Report

, up 18 cents to $21;

Microsoft

(MSFT) - Get Report

, up 14 cents to $28.98; and

Sun Microsystems

(SUNW) - Get Report

, up 8 cents to $5.39.