Shares of Cintas ( CTAS - Get Report) were among the NYSE's losers Wednesday, falling 9% after the company posted disappointing third-quarter results and cut its 2007 guidance.

For the quarter ended Feb. 28, the uniforms maker earned $76.7 million, or 48 cents a share, on revenue of $905.4 million. Analysts polled by Thomson First Call expected earnings of 52 cents a share and revenue of $925.1 million. During the year-earlier quarter, the company earned $76.6 million, or 45 cents a share, on revenue of $836.4 million.

Looking ahead, Cintas now sees 2007 earnings of $2.03 to $2.08 a share, down from an earlier forecast of $2.10 to $2.20 a share. The company cut its revenue projection to a range of $3.68 billion to $3.73 billion from an earlier view of $3.77 billion to $3.85 billion. Analysts project earnings of $2.16 a share and revenue of $3.76 billion. Shares were trading down $3.64 to $36.87.

Chaparral Steel ( CHAP - Get Report) rose 2% after the steel-beam maker posted better-than-expected third-quarter earnings and forecast a fourth-quarter profit above Wall Street's target. For the quarter ended Feb. 28, the company earned $62.5 million, or $1.29 a share, on revenue of $420.2 million. Analysts had forecast earnings of $1.23 a share, with revenue of $401.5 million. In the year-earlier period, the company earned $49.2 million, or $1.03 a share, on revenue of $374.6 million.

For the fourth quarter, Chaparral sees earnings of $1.35 a share, above the $1.20 a share that analysts project. Shares were up 98 cents to $53.22.

Shares of Morgan Stanley ( MS - Get Report) rose 5% after the investment bank's first-quarter earnings blew past expectations. For the quarter ended Feb. 28, the company posted earnings from continuing operations of $2.56 billion, or $2.40 a share, on revenue of $11 billion. Wall Street expected earnings of $1.88 a share and revenue of $9.42 billion. In the year-earlier quarter, the company earned $1.6 billion, or $1.51 a share, on revenue of $8.55 billion. Shares were adding $3.46 to $79.57.

Media General ( MEG) fell 4% after the publishing company warned that it expects a first-quarter loss. The company anticipates a loss of 26 cents to 30 cents a share for the period, compared with analysts' expectation for a profit of 20 cents a share. Media General said it expects to recover most of the shortfall later this year. Shares were down $1.60 to $38.74.

Shares of Charming Shoppes ( CHRS - Get Report) slipped 5% after the women's clothing retailer posted in-line earnings but offered a guidance that fell short of expectations. For the fourth quarter ended Feb. 3, the company earned $24.9 million, or 19 cents a share, up from $19.2 million, or 15 cents a share, a year earlier. Revenue rose to $874 million from $799.6 million. Wall Street anticipated earnings of 19 cents a share and a top line of $863 million.

Charming Shoppes predicted first-quarter earnings of 19 cents to 21 cents a shares, below analysts' forecast of 28 cents. The company sees revenue of $780 million to $790 million, compared with Wall Street's estimate of $786.4 million. Shares were trading down 66 cents to $11.39.

NYSE volume leaders included Advanced Micro Devices ( AMD), up 56 cents to $13.97; CVS ( CVS - Get Report), up 66 cents to $34.33; General Electric ( GE), up 18 cents to $34.95; Motorola down 41 cents to $18.41; Halliburton ( HAL), down 5 cents to $30.45; Ford ( F), unchanged at $7.88; Alcatel-Lucent ( ALU), down 37 cents to $11.59; and Exxon Mobil ( XOM), up 17 cents to $72.17.

Nasdaq volume leaders included Oracle ( ORCL), up 62 cents to $18.17; Sun Microsystems ( SUNW), up 15 cents to $6.35; Intel ( INTC), down 3 cents to $18.96; Microsoft ( MSFT), down 21 cents to $27.63; SBA Communications ( SBAC), up $1.05 to $29.25; U.S. Auto Parts Network ( PRTS - Get Report), down $4.74 to $6.33; SanDisk ( SNDK), up $1.45 to $43.36; and Cisco Systems ( CSCO), down 16 cents to $26.18.