Updated from 1:06 p.m. EDT

Shares of Intersections ( INTX) were among the Nasdaq's losers Tuesday, falling 38% after the consumer identity theft and credit management services company posted weak first-quarter earnings and warned that full-year earnings would fall short as well.

The company posted earnings of $1.8 million, or 10 cents a share, on sales of $38.6 million. Results included a charge of 5 cents a share. Analysts polled by Thomson First Call were expecting earnings of 23 cents a share on sales of $40.2 million. A year ago, the company earned $2.2 million, or 16 cents a share, on sales of $38.2 million.

"During the first quarter, we were faced with some unexpected events that impacted our ability to meet our quarterly goals, some of which were related to our continued investments in improved infrastructure which we believe will help us leverage emerging opportunities," Intersections said. Looking ahead, the company forecast full-year earnings of 75 cents to 85 cents a share, well below analysts' expectations of $1.03 a share. Shares traded down $5.39 to $8.80.

NutriSystem rose 32.4% after the company posted first-quarter earnings and sales that easily topped forecasts and said that second-quarter results would be well above expectations. The provider of fitness products and services earned $3.2 million, or 10 cents a share, on sales of $37.4 million. Analysts were expecting earnings of 5 cents a share on sales of $28.1 million. A year ago, the company earned $745,000, or 2 cents a share, on sales of $13.3 million.

During the most recent quarter, NutriSystem was able to purchase more advertising media than expected -- at a favorable customer acquisition cost -- and its revenue per acquired customer was higher than expected as well. Looking ahead, NutriSystem forecast second-quarter operating income of $4.2 million to $4.6 million on sales of $28 million to $30 million. Analysts are expecting earnings of 6 cents a share on sales of $20.2 million. Shares traded up $2.40 to $9.80.

Shares of Coach ( COH) rose 5.5% after the retailer of handbags and other leather goods posted third-quarter earnings and sales that beat expectations. The company earned $89.2 million, or 23 cents a share, on sales of $415.9 million. Analysts were expecting earnings of 22 cents a share on sales of $400.3 million. A year ago, the company earned $58.3 million, or 15 cents a share, on sales of $313.1 million. Looking ahead, Coach forecast fourth-quarter earnings of 23 cents a share on sales of $415 million, ahead of the 21 cents in earnings and $404.9 million in sales that analysts had been expecting.

Coach also announced its acquisition of Sumitomo's 50% interest in Coach Japan. Coach will pay $225 million plus undistributed profits and paid-in capital of around $75 million to Sumitomo. The deal, which is expected to close by the end of the fiscal year, will be accretive to Coach's earnings in fiscal 2006. Shares traded up $1.44 to $27.76.

Sara Lee fell 2.4% after the foodmaker posted third-quarter earnings and sales that fell short of expectations. The company posted earnings of $189 million, or 24 cents a share, on sales of $4.79 billion. Analysts were expecting earnings of 31 cents a share on sales of $4.86 billion. Results included charges totaling 7 cents a share and gains of 2 cents a share. Excluding those items, the company would have earned 29 cents a share. Looking ahead, Sara Lee said that tough sales conditions in Europe and higher raw material costs would continue to challenge the company. As a result, the company expects fourth-quarter earnings of 30 cents to 32 cents a share, below analysts' expectations of 36 cents a share. Shares traded down 53 cents to $21.33.

Shares of Meritage Homes ( MTH - Get Report) rose 8% after the homebuilder posted first-quarter earnings that topped expectations. Excluding items, the company earned $43.7 million, or $1.55 a share, on sales of $551.2 million. Analysts were expecting earnings of $1.23 a share on sales of $538.1 million. A year ago, the company earned $26.9 million, or 96 cents a share, on sales of $423.5 million. Looking ahead, Meritage expects 2005 earnings of $6.84 to $7.09 a share, which excludes a one-time bond refinancing charge, on sales of $2.7 billion to $2.8 billion. Analysts are expecting earnings of $6.75 a share on sales of $2.76 billion. Shares traded up $4.87 to $65.67.

NYSE volume leaders included Lucent Technologies , down 2 cents to $2.52; Pfizer ( PFE), down 12 cents to $26.91; Time Warner ( TWX), down 19 cents to $17.26; Nortel Networks , down 3 cents to $2.73; General Electric ( GE), down 20 cents to $36.18; Hewlett-Packard ( HPQ), down 63 cents to $20.47; American International Group ( AIG), down 69 cents to $51.07; Taiwan Semiconductor ( TSM), up 41 cents to $8.57; and Genentech , up $3.12 to $72.55.

Nasdaq volume leaders included Intel ( INTC), down 9 cents to $23.32; Sirius Satellite Radio ( SIRI), down 27 cents to $4.87; Microsoft ( MSFT), down 23 cents to $24.76; Cisco Systems ( CSCO), down 20 cents to $17.28; Oracle ( ORCL), down 19 cents to $11.88; and Apple Computer ( AAPL), down 79 cents to $36.19.