Shares of

RF Industries

(RFIL) - Get Report

were among technology's winners Wednesday, vaulting 40% after the maker of radio-frequency connectors and cable assemblies posted a big jump in third-quarter earnings and revenue.

For the period ended July 31, the San Diego company earned $407,000, or 11 cents a share, on revenue of $3.9 million. During the year-earlier period, RF Industries earned $194,000, or 5 cents a share, on revenue of $3.3 million.

"RFI's record net income benefited from strong sales of new connector and cable products, selective price increases, and a reduction in selling and general expenses, as a percent of sales, for the third quarter and nine months to date," the company said. Gross margin rose to 49% during the third quarter from 45% a year ago. Shares were trading up $2.30 to $7.94.

American Science and Engineering

(ASEI)

rose 3% after the X-ray detection technology company received a $42.4 million order from the U.S. government. The order calls for the delivery of 36 "Z Backscatter van X-ray" screening systems. "Today's announcement demonstrates the continued value of the Z Backscatter van to U.S. government operations -- with this largest single ZBV order to date," the company said. Shares were up $1.54 to $46.57.

Shares of

WiderThan

( WTHN) surged 19% after the provider of mobile entertainment services agreed to be acquired by

RealNetworks

(RNWK) - Get Report

for $350 million in cash. RealNetworks will pay $17.05 a share, a 22% premium to Tuesday's closing price of $13.97. Excluding charges, the deal is expected to add to RealNetworks' earnings in 2007. The acquisition should close during the first quarter of 2007. Shares of WiderThan were trading up $2.63 to $16.61, while RealNetworks shed 16 cents to $10.23.

OSI Systems

(OSIS) - Get Report

fell 5% after the company posted fourth-quarter earnings that missed expectations. For the period ended June 30, the maker of inspection systems earned $700,000, or 4 cents a share, on revenue of $125.6 million. Analysts polled by Thomson First Call expected earnings of 7 cents a share. During the year-earlier quarter, the company recorded a loss of $3.2 million, or 20 cents a share, on revenue of $100.7 million.

For the first quarter, OSI expects its loss to be narrower than the year-ago loss of 26 cents a share. The company predicts revenue of $112 million to $116 million. For all of fiscal 2007, the company anticipates earnings of 35 cents to 45 cents a share, with revenue of $535 million to $545 million. Analysts project first-quarter earnings of 2 cents a share and a full-year profit of 52 cents a share. Shares were down $1.02 to $18.20.

Other technology movers included

Sun Microsystems

(SUNW) - Get Report

, up 2 cents to $5.21;

Intel

(INTC) - Get Report

, up 4 cents to $19.79;

JDSU

(JDSU)

, up 8 cents to $2.26;

Apple Computer

(AAPL) - Get Report

, up 37 cents to $73;

Oracle

(ORCL) - Get Report

unchanged at $16.30;

Cisco Systems

(CSCO) - Get Report

, down 1 cent to $22.64;

Lucent Technologies

( LU), unchanged at $2.36;

Ciena

(CIEN) - Get Report

, up 4 cents to $4.23; and

Applied Materials

(AMAT) - Get Report

, up 7 cents to $17.51.