Union Pacific Corp. reported that it will...

Union Pacific Corp. reported that it will launch a $327.5-million tender for USPCI Inc., an Oklahoma-based hazardous waste management company that rebuffed a better offer in June . . . The Army awarded a $605.4-million contract to General Dynamics for 624 M-1A1 Abrams tanks . . . Goldman Sachs & Co. confirmed that it plans to make “selective reductions� in its 7,500-member staff that sources said will amount to more than 100 layoffs . . . The Treasury said the average discount rate on $9.3 billion of 52-week T-bills sold at Thursday’s auction rose to 6.48% from 6.45% at the last auction on Oct. 22 . . . The Investment Company Institute reports that the assets of the nation’s 411 money-market mutual funds rose $1.54 billion in the week ended Nov. 18.