Security shares rally after rail incidents By Brendan January & Michael Baron, CBS.MarketWatch.comLast Update: 1:14 PM ET May 21, 2004NEW YORK (CBS.MW) -- A handful of security and homeland defense-related stocks surged Friday following reports that two trains had been stopped on the Northeast corridor late Thursday and that a small motion-detection device was found in a Philadelphia railyard last week.Free! Sign up here to receive our Internet Daily e-Newsletter! TRADING CENTER Open a Harrisdirect account! INFORMATION FOR MAGS: Create an alert for MAGS Add MAGS to my portfolio More cool charts on MAGS Discuss MAGSNEWS FOR MAGSSecurity firms' shares rise on rail incident reportsMarket recovery may take longer yetGreater fools don't have last laugh on MagalMore news for MAGSQuote & News Charts Financials Analysts Options SEC Filings TRACK THESE TOPICSMy PortfolioAlertsCompany: Image Sensing Systems IncAddCreateCompany: Digital Recorders IncAddCreateCompany: Magal Security Sys LtdAddCreateCompany: Ipix CorpAddCreateGet Breaking News sent directly to your inbox Create A Portfolio | Create An AlertThe Associated Press said officials found no evidence of a terrorist link to the motion detector, and Amtrak officials declined comment on the reason for stopping the trains, both of which were bound for New York from Washington, D.C. Also Thursday, the Department of Homeland Security issued a number of directives railroad owners and operators must take to prevent terrorist attacks. The companies whose stocks were bid higher in Friday's action all offer security products and surveillance products and services. All of the stocks are thinly traded.Shares of Image Sensing Systems (ISNS: news, chart, profile) leapt 24 percent to $12.47. The St. Paul, Minn.-based firm makes video-based vehicle detection and traffic management systems. Digital Recorders (TBUS: news, chart, profile), a Dallas-based provider of vehicle monitoring technology, saw its shares add more than 12 percent to $5.59. Other stocks on the move included Magal Security Systems (MAGS: news, chart, profile), which develops and manufactures computerized security systems, up more than 8 percent to $14.94; and Ipix (IPIX: news, chart, profile), a San Ramon, Calif.-based technology firm specializes in video surveillance, up more than 6 percent to $6.71. Similarly, International Electronics (IEIB: news, chart, profile), a Canton, Mass.-based designer of electronic access equipment for security systems, jumped 10 percent to $3.80, while Synergx (SYNX: news, chart, profile) rose nearly 15 percent to $3.69. Syosset, N.Y.-based Synergx is a communications firm that designs applications used with alarm and security systems. U.S.-traded shares of Icts International (ICTS: news, chart, profile), a Dutch company that provides manpower-based aviation security services in the U.S., increased more than 5 percent to $3.50. Mace Security International (MACE: news, chart, profile) rose more than 5 percent to $4.52. The Mount Laurel, N.J.-based company manufactures electronic surveillance and personal defense products.Railroad security concerns have been heightened since deadly commuter-train bombing attacks took place in Madrid on March 11. The Department of Homeland Security on Thursday mandated that railroad owners and operators take protective measures; they take effect Sunday. The measures include the removal of some trash receptacles, the utilization of canine teams to screen passengers during certain situations and increased facility inspections. Brendan January is a reporter for CBS MarketWatch.com in New York.Michael Baron is a reporter for CBS.MarketWatch.com based in New York