NEW YORK (AP) — Stocks shook off an early slump and wound up little changed on Wall Street as gains for some big tech companies were offset by losses in other sectors.

The S&P 500 index eked out a tiny gain Tuesday, extending a winning streak into a fourth day. Small-company stocks fell.

Facebook jumped 3.3% and Apple added 1.5%.

Airline stocks rose after Delta raised its profit forecast for the current quarter. Delta jumped 6%.

Walgreens Boots Alliance sank 12.8% after slashing its forecast for full-year results.

The S&P 500 edged up less than 1 point to 2,867.

The Dow Jones Industrial Average lost 79 points, or 0.3%, to 26,179. The Nasdaq edged up 19 points, or 0.3%, to 7,848.

Bond prices rose. The yield on the benchmark 10-year Treasury fell to 2.47%.