Nov 7 (Reuters) - Shares in hospitals jumped on Wednesday as President Barack Obama's victory cleared the path for U.S. healthcare reform laws to be enacted as planned, but health insurer stocks fell because of the possible costs of those changes. Hospital companies including HCA Holdings Inc. were up as their costs for paying for services for the poor are expected to drop over time thc.as the ranks of the insured grow starting in 2014. About 30 million more people are expected to be insured