The Nasdaq turned positive on Wednesday, helped by strength in large-cap Internet shares Amazon.com Inc and Yahoo Inc .

Stocks opened lower, weighed by Intel Corp and International Business Machines Corp , which reported results late Tuesday. Yahoo topped expectations, sending shares up 2.8 percent to $15.43.

The Dow Jones industrial average <.DJI> was down 23.50 points, or 0.18 percent, at 13,092.04. The Standard & Poor's 500 Index <.SPX> was off 1.39 points, or 0.10 percent, at 1,389.39. The Nasdaq Composite Index <.IXIC> was up 0.12 points, or 0.00 percent, at 3,042.94.

(Reporting by Ryan Vlastelica; editing by Jeffrey Benkoe)