FACBOX-Corporate alternative minimum tax threat hits pharma, tech

Dec 6 (Reuters) - The tax overhaul legislation passed by the U.S. Senate jettisoned a long-held Republican goal of repealing the corporate alternative minimum tax (AMT), a move seen as hurting companies that invest heavily in research and development. The Senate's inclusion of the AMT puts the bill, passed narrowly last Saturday, on a collision course with Republicans in the House of Representatives, whose version would repeal the corporate AMT. House Republicans are calling for the tax