The broader technology inched up Tuesday, but the biggest movers were heading the other way.

Stec ( STEC) plunged 22% after the maker of computer memory posted a first-quarter earnings shortfall and warned that second-quarter earnings would be below forecasts. The company earned $6.7 million, or 13 cents a share, on revenue of $47.2 million. Excluding items, the company earned 5 cents a share. Analysts polled by Thomson Financial expected earnings of 6 cents a share on revenue of $44.8 million. During the year-earlier quarter, the company earned $1 million, or 2 cents a share, on revenue of $40.4 million.

Looking ahead, Stec sees second-quarter earnings of 1 cent to 3 cents a share on revenue of $41 million to $43 million. Analysts project earnings of 9 cents a share on revenue of $48.9 million. Shares were trading down $1.81 to $6.32.

Telestrone Technologies ( TSTC) tumbled 20% after the provider of wireless communication products posted a decline in first-quarter earnings. The company earned $448,000, or 5 cents a share, on revenue of $4.8 million. During the year-earlier quarter, the company earned $717,000, or 8 cents a share, on revenue of $3.8 million.

Looking ahead, Telestone sees earnings and revenue growing by more than 30% during fiscal 2007. Shares were trading down $1.56 to $6.20.

China TechFaith ( CNTF) slid 14% after the handset-software company posted disappointing first-quarter results. The company reported a loss of $3.4 million, or 8 cents a share, on revenue of $27.3 million. Analysts had expected a smaller loss of 2 cents a share on revenue of $28.9 million. During the year-earlier quarter, the company earned $1.3 million, or 3 cents a share, on revenue of $12.8 million.

Looking ahead, China TechFaith sees second-quarter revenue of $32 million to $35 million. Analysts, meanwhile, project revenue of $36.7 million. Shares were trading down $1.07 to $6.53.

Despite posting better-than-expected first-quarter results, JA Solar ( JASO) fell 5.5% Tuesday. The company earned $7.6 million, or 20 cents a share, on revenue of $43.4 million. Analysts expected earnings of 17 cents a share on revenue of $41.6 million.

Looking ahead, JA Solar continues to see 2007 revenue of $280 million, which is below the $289.1 million that analysts project. Shares were trading down $1.63 to $26.26.

Agilent Technologies ( A) rose 5.4% after the maker of test and measurement equipment posted second-quarter results and issued upbeat third-quarter guidance. The company posted adjusted earnings of $176 million, or 43 cents a share, on revenue of $1.32 billion. Analysts expected earnings of 44 cents a share on revenue of $1.35 billion. During the year-earlier quarter, the company earned $157 million, or 36 cents a share, on revenue of $1.24 billion.

Looking ahead, Agilent sees third-quarter adjusted earnings of 46 cents to 50 cents a share on revenue of $1.36 billion to $1.4 billion. Analysts project earnings of 46 cents a share on revenue of $1.35 billion. Shares were trading up $2.02 to $37.93.

As for the broader technology sector, the Nasdaq 100 was trading up about 3 points to about 1891.

Other technology movers included Intel ( INTC), down a penny to $22.11; Sun Microsystems ( SUNW), down 1 cent to $5.21; Microsoft ( MSFT), up 12 cents to $30.99; Applied Materials ( AMAT), down 33 cents to $20.09; Cisco ( CSCO), down 2 cents to $26.27; Apple ( AAPL), up 61 cents to $109.97; and Level 3 Communications ( LVLT), down 4 cents to $5.38.

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