Jan 17 (Reuters) - Wall Street's main indexes opened

higher on Friday, with the S&P 500 and the Dow looking set to

log their biggest weekly gains since November, as investors

anticipate a wave of policy changes under the incoming Trump

administration.

The Dow Jones Industrial Average rose 159.4 points,

or 0.37%, at the open to 43,312.55. The S&P 500 rose 58.1

points, or 0.98%, to 5,995.4​, while the Nasdaq Composite

rose 317.3 points, or 1.64%, to 19,655.546.