Shares of Cooper Tire & Rubber (CTB) - Get Report were among the NYSE's biggest losers Tuesday, plunging 21% after the tire maker posted third-quarter results that missed Wall Street estimates.

The company reported earnings from continuing operations of $17.8 million, or 28 cents a share, reversing a year-earlier loss. Analysts, however, were looking for earnings of 30 cents a share, according to Thomson Financial. Sales rose 11% to $767.7 million; the one analyst polled by Thomson expected revenue of $851 million. Shares of Cooper Tire were losing $4.45 to $16.55.

Elsewhere,

Career Education

(CECO) - Get Report

shares shed 8% after the company's earnings fell short of targets. The education company reported third-quarter earnings from continuing operations of $19.8 million, or 21 cents a share, on revenue of $404.4 million. Wall Street expected earnings of 23 cents a share and revenue of $410 million. The stock was losing $2.69 to $32.18.

US Airways

(LCC)

dropped 6% as oil prices continued to soar and the carrier reported a decline in October traffic. The company reported 4.88 revenue passenger miles for the month, a 1.5% drop from the prior year. Load factor, or percentage of seats filled, improved to 80.5% from 77.2%. Shares were shedding $1.55 to $23.60.

Among winners,

Guess?

(GES) - Get Report

jumped 12% after the fashion company lifted its fiscal-year earnings forecast. The company said revenue has exceeded expectations, growing over 30% in the fiscal third quarter. Guess? now sees full-year earnings of $1.85 to $1.90 a share, compared with its prior view of $1.79 to $1.84. Shares were up $4.87 to $46.30.

Church & Dwight

(CHD) - Get Report

gained nearly 10% after the consumer-products company beat earnings estimates and lifted its full-year guidance. The maker of Arm & Hammer baking soda posted a third-quarter profit of $51.7 million, or 75 cents a share, including about 6 cents a share in one-time gains. Analysts projected a profit of 58 cents a share. Sales rose 12% to $580.4 million, topping Wall Street's forecast of $560 million.

Church & Dwight now sees full-year earnings of $2.42 to $2.44 a share, up from its prior forecast of $2.34 to $2.36. Analysts, on average, predict 2007 earnings of $2.36 a share. Shares of Church & Dwight were up $4.55 to $50.90.