Stocks rose on Friday, Aug. 25, as Federal Reserve Chair Janet Yellen said regulations put into action since the financial crisis have made the system "substantially safer" and boosted its resiliency.

The Dow Jones Industrial Average rose 0.52% and the S&P 500 gained 0.52%, while the Nasdaq added 0.39%.

Central bankers have convened in Jackson Hole, Wyoming, for the highly anticipated annual Economic Policy Symposium. The event runs until Saturday, Aug. 26, with speeches from Yellen and her European counterpart Mario Draghi, European Central Bank president, as highlights.

Draghi will speak just two weeks before the ECB's meeting on Sept. 7, and Yellen more than three weeks from the Fed's next meeting on Sep. 19-20. Yellen spoke at the symposium at 10 a.m. ET, ahead of Draghi, who is taking the stage at 3 p.m.

Yellen made brief comments on strengthening employment figures in her speech Friday, but spent the majority of her talk addressing the efficacy of financial regulations. 

Yellen said policy reform including stress tests for big banks and the creation of the Financial Stability Oversight Council has led to more credit available on good terms and an advance of lending in line with economic activity, contributing to today's "strong economy."

Yellen said there is "reason to hope" that the U.S. will experience fewer financial crises and recover more quickly should any crises occur, "sparing households and businesses some of the pain they endured during the crisis that struck a decade ago."

Because of policy reform, "Banks are safer. The risk of runs owing to maturity transformation is reduced. Efforts to enhance the resolvability of systemic firms have promoted market discipline and reduced the problem of too-big-to-fail. And a system is in place to more effectively monitor and address risks that arise outside the regulatory perimeter," Yellen said.

Dow component JPMorgan Chase & Co. (JPM)  traded up nearly 1% following the release of Yellen's comments. Fellow Dow bank Goldman Sachs Group Inc. (GS) was up 0.5%.

Notably missing from Yellen's comments was an indication of the Fed's plans for interest rate increases or intentions to trim its $4.5 trillion balance sheet. Some analysts suggested that, if Yellen made few remarks about the Fed's balance sheet or rate hikes, the market's expectations are likely going to be confirmed. Investors will continue to comb through the speeches for any hawkish commentary.

Investor sentiment has also been buoyed by comments from President Trump's economic adviser Gary Cohn on tax reform. Cohn suggested President Trump is dedicated to passing tax reform by the end of the year in an interview with the Financial Times. Trump's promise of tax cuts and fiscal stimulus have contributed to the record levels equities markets have reached since the President's election last fall.

Crude oil prices were barely rising as Hurricane Harvey barreled toward the Texas coastline. The hurricane is expected to make landfall late Friday or early Saturday near Corpus Christi, Texas. Forecasters have labeled Harvey a "life threatening" storm and predicted as much as 30 inches of rain in some Texas cities along the Gulf coast.

West Texas Intermediate crude was up 0.93% to $47.87 a barrel on Friday morning.

Investors also will be looking toward a weekly reading on drilling activity from Baker Hughes on Friday afternoon. The total active U.S. rig count declined by 3 to 946 in the previous week. Overproduction and a supply glut has been a problem in the U.S., though signs of falling output and stockpiles in recent weeks has stabilized prices.

On Thursday, Royal Dutch Shell PLC (RDS.A) shut down its Perdido floating oil platform in the Gulf of Mexico and Exxon Mobil Corp. (XOM)  reduced production flow to its Gulf platforms in preparation for Harvey. Anadarko Petroleum Corp. (APC)  has pulled some workers from its Gulf refineries, as well.

Airlines potentially affected by the hurricane include Southwest Airlines Co.  (LUV) , headquartered in Dallas, and American Airlines Group Inc. (AAL) , which headquartered in Fort Worth.

Southwest is a holding in Jim Cramer's Action Alerts PLUS Charitable Trust Portfolio . Want to be alerted before Cramer buys or sells LUV? Learn more now.

Generator manufacturer Generac Holdings Inc (GNRC)  shares traded up 1.7% Friday morning on speculation people would run out to buy generators. Home product retailers Home Depot Inc. (HD)  and Lowe's Cos. (LOW)  shares are also in focus. Lowe's has more than 140 stores in Texas, while Home Depot weighs in with nearly 180.

U.S. durable goods orders in the U.S. for July fell 6.8%, a wider-than-expected decrease compared to the 5.8% decline economists surveyed by FactSet anticipated. July's decrease reversed the 6.4% rise in durable goods orders in June.

Broadcom Ltd.  (AVGO)  stock fell 2.4% Friday morning after the company reported an earnings beat but cut full-year guidance. For the quarter, adjusted revenue of $4.47 billion was in line with consensus of $4.46 billion, while adjusted EPS of $4.10 topped the consensus of $4.03.

Analysts expected management would raise guidance based on increased revenue due to the company's chip production in the upcoming Apple Inc. (AAPL)  iPhone 8. But guidance was in line with consensus expectations. The company expects non-GAAP net revenue to fall around $4.8 billion next quarter.

How about that new Apple Watch.

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GameStop Corp.  (GME)  tumbled over 11% in early morning trading Friday after the retailer missed second quarter earnings estimates. The company reported adjusted EPS of 15 cents, missing the analyst expectation of 18 cents. Sales rose 7% to $188.3 million, but fell short of analysts' projected $207.6 million in sales.

Ulta Beauty Inc. (ULTA)  stock fell over 10% Friday morning despite beating Wall Street estimates in its second quarter financials released after the closing bell on Thursday. Ulta reported earnings of $1.83 per share, topping estimates of $1.78. But revenue of $1.29 billion just barely beat analysts' expectation of $1.28 billion, causing shares to tumble.

This story has been updated from 9:39 a.m. ET.

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