TheStreet.com 21 index was virtually unchanged on Thursday amid mixed results in the broader market, news of a strong month for retailers and positive economic data.

The index dropped 0.17 point, or 0.02%, to 990.85, while the

Nasdaq

lost 0.47 point, or 0.03%, to close at 1,652.21. Meanwhile, the

Dow Jones Industrial Average

rose 64.71 points, or 0.71%, to 9,126.45 as the Labor Department reported an unexpected 5.7% increase in productivity in the second quarter and retailers celebrated their best month of the year.

Solectron

( SLR) posted the biggest drop, falling 11 cents, or 2.33%, to $4.62. It was followed by

Continental Airlines

(CAL) - Get Report

, which was down 25 cents, or 2%, to $12.25, and

Yahoo!

(YHOO)

, down 54 cents, or 1.83%, to $28.92.

Kohl's

(KSS) - Get Report

lost 69 cents, or 1.14%, to close at $59.95, even though it reported a 21% sales increase and raised its profit outlook.

Belo

(BLC)

,

Cisco Systems

TheStreet Recommends

(CSCO) - Get Report

and

E*Trade

(ET) - Get Report

also closed with less-than-1% losses.

Despite the slide in the overall index, a majority of 13 stocks had gains.

Best Buy

(BBY) - Get Report

soared on strong July sales numbers, rising $5.81, or 14.28%, to $46.49.

Level 3 Communications

(LVLT)

jumped 18 cents, or 3.95%, to $4.74,

Devon Energy

(DVN) - Get Report

climbed $1.42, or 2.86%, to $51.04, and

Tiffany

(TIF) - Get Report

was up 57 cents, or 1.72%, to $33.80.

The index now has 9.15 points to go to get back to where it started on July 3, at 1000. It's down 0.9%.

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