US STOCKS-Wall St closes lower on Amazon, Visa; S&P's weekly gain erased
* Durable goods data better than expected
* Visa, Amazon decline as earnings disappoint
* El Pollo Loco rallies in trading debut
* Indexes down: Dow 0.7 pct, S&P 0.5 pct, Nasdaq 0.5 pct (Updates to close)
By Ryan Vlastelica
NEW YORK, July 25 (Reuters) - U.S. stocks closed lower on Friday in a broad consumer discretionary-led selloff after Visa and Amazon, a pair of closely watched bellwether names, reported disappointing results.
While the S&P 500 found support at its 14-day moving average, suggesting a recent positive trend in equities remains intact, the day's decline was enough to erase the benchmark index's gain for the week.
Earnings have largely been better than expected this season in terms of both profit and revenue. However, there have been high-profile disappointments, including Boeing Co and Caterpillar Inc earlier this week.
Amazon.com Inc tumbled 9.6 percent to $324.01 as the biggest drag on the S&P 500 after reporting an unexpectedly big second-quarter loss due to greater expenses on investments. About 17.8 million shares changed hands, nearly five times its 50-day average of 3.6 million. Continuación...