By Angela Moon
NEW YORK (Reuters) - Wall Street opened slightly higher on Wednesday, extending a recent advance that lifted benchmark indexes to multi-year highs.
The Dow Jones industrial average was up 2.99 points, or 0.02 percent, at 14,021.69. The Standard & Poor's 500 Index was up 2.88 points, or 0.19 percent, at 1,522.31. The Nasdaq Composite Index was up 9.14 points, or 0.29 percent, at 3,195.63.
(Editing by Bernadette Baum)