Stock benchmarks opened lower Friday as downbeat guidance from chip-maker Broadcom Inc. reminded investors off the unresolved Sino-American trade conflict. Weak data out of the world's second-largest economy also dampened the investing mood. The Dow Jones Industrial Average fell 90 points, or 0.4%, at 26,017, the S&P 500 index declined 0.3% at 2,883, while the Nasdaq Composite Index fell 0.5% at 7,798, as chip-makers fell along with Broadcom. Broadcom lowered its guidance for the rest of the year after reporting second-quarter earnings Thursday afternoon. For the week, the Dow is set for a gain of 0.2%, the S&P 500 is poised to gain 0.4%, while the Nasdaq is set for a 0.8% weekly advance. Signs of further cooling of business activity in China, kicked off the downbeat mood on Wall Street. In U.S. data, U.S. retail sales rose 0.5% in May, slightly below the 0.7% jump expected by economists polled by MarketWatch. More important was the revision of April sales, which the Commerce Department now says rose 0.3%. Investors also were anticipating the public debut of pet retailer Chewy Inc. .