Last month, the Justice Department brought charges against former executives of Brocade Communications Systems (nasdaq: BRCD - news - people ), including ex-CEO Gregory Reyes .
Among the largest underlying components of TYH, in trading today Tellabs, Inc. ( NASD: TLAB) is down about 0.5%, MEMC Electronic Materials, Inc. ( NYSE: WFR) is down about 4%, and Brocade Communications Systems, Inc. ( NASD: BRCD) is lower by about 0.8%.