NEW YORK, Sept. 10 (Xinhua) — U.S. stocks rose on Friday morning, bolstered by overall strength in the energy sector.

Shortly after the opening bell, the Dow Jones Industrial Average climbed 137.55 points, or 0.39 percent, to 35,016.93. The S&P 500 added 19.97 points, or 0.44 percent, to 4,513.25. The Nasdaq Composite Index increased 87.10 points, or 0.57 percent, to 15,335.35.

Seven of the 11 primary S&P 500 sectors advanced in morning trading, with energy up 1.3 percent, leading the gainers. Utilities dipped 0.8 percent, the worst-performing group.

On the economic front, the Producer Price Index for final demand in the United States increased 0.7 percent in August, the U.S. Bureau of Labor Statistics reported on Friday, slightly above the market forecast of 0.6 percent.

Prices for final demand less foods, energy, and trade services moved up 0.3 percent in August after increasing 0.9 percent in July, showed the report.

“Supply chain bottlenecks have persisted longer and more intensely than most predicted at the beginning of this year, and widespread labor shortages are among the main input issues producers are dealing with,” Will Compernolle, senior economist at FHN Financial, said Friday in a note.

“The Fed’s focus has been on labor market tightening and what it means for tapering, but lingering supply chain issues are already starting to change the conversation about inflation,” Compernolle added.

The U.S. Federal Reserve is set to kick off a two-day meeting on Sept. 21, and investors will look to its policy update.