LONDON, Oct 28 (Reuters) - BlackRock ( BLK ) CEO Larry

Fink said on Tuesday that investors should remain overweight in

the United States for the next 18 months with money returning to

the world's largest economy in the last two months in

particular.

"Most global investors have a very large overweight in the

U.S. and that's the place to have your overweight for the next

18 months," he said at an investment conference in Riyadh.