UPDATE 2-FTSE 100 ends lower on U.S.-China tensions
* FTSE 100 down 0.2%, FTSE 250 drops 1.2%* Rolls Royce slumps on reports of job cuts* Health care, energy stocks gain* Largest UK firms expect 20% hit to sales in 2020 -survey (Updates with market closing)By Devik Jain and Sagarika JaisinghaniMay 4 ...
