Dec 5 (Reuters) - Wall Street's main indexes opened

subdued on Thursday following record high closes for all three

main indexes in the previous session, as investors awaited

upcoming employment data later this week.

The Dow Jones Industrial Average rose 24.4 points, or

0.05%, at the open to 45038.44. The S&P 500 rose 2.5

points, or 0.04%, at the open to 6089.03​, while the Nasdaq

Composite rose 21.3 points, or 0.11%, to 19756.4 at the

opening bell.