<div class="tr-summaryinfo">Cisco gains after raising FY forecastsUnitedHealth down on report it faces criminal probeS&amp;P 500 +0.34%, Nasdaq -0.02%, Dow +0.41%</div>Updates with market closeBy Noel Randewich and Pranav Kashyap May 15 (Reuters) - Wall Street stocks ended mixed on Thursday, with gains in Cisco Systems following an upbeat forecast, while UnitedHealth tumbled after a report of a criminal investigation into the insurer.The S&amp;P 500 this week has further recovered from a deep selloff in April triggered by U.S. President Donald Trump's global trade war, as investors bet Washington will reach deals to roll back steep tariffs that economists worry will drive up consumer prices.&#34;People think there are going to be deals, so they are just getting ahead of that, and they don't want to be short stocks. 'Deal anticipation' is what I'd call it,&#34; said Dennis Dick, a trader at Triple D Trading.Cisco Systems jumped after the networking company raised its annual forecast, driven by the artificial intelligence boom.UnitedHealth Group UNH.N plunged to a five-year low after the Wall Street Journal reported the U.S. Department of Justice was conducting a criminal investigation into the company for possible Medicare fraud. UnitedHealth said it had not been informed of a criminal probe by federal prosecutors.Rival health insurers Humana HUM.N and Molina Healthcare MOH.N also declined.Walmart WMT.N eased after the heavyweight retailer warned it would start raising prices later this month due to tariffs, even after its first-quarter U.S. comparable sales beat expectations.Rival retailer Amazon AMZN.O dropped and weighed on the Nasdaq.Walmart declined to provide a second-quarter profit outlook, joining other companies across sectors that have tweaked or pulled their forecasts, signaling that corporate America is hunkering down due to tariff-related uncertainty.According to preliminary data, the S&amp;P 500 .SPX gained 21.89 points, or 0.37%, to end at 5,917.59 points, while the Nasdaq Composite .IXIC lost 35.47 points, or 0.19%, to 19,111.34. The Dow Jones Industrial Average .DJI rose 277.87 points, or 0.66%, to 42,328.93.The S&amp;P 500 remains about 4% below its record high close on February 19.Earlier in the day, data showed U.S. retail sales growth slowed in April, while a separate report showed producer prices unexpectedly fell last month. That followed a relatively tame consumer price reading earlier in the week.&#34;We're still waiting for that inflation pop. It's not here yet, but we're still waiting,&#34; said John Augustine, chief investment officer of Huntington National Bank.

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Wall Street ended mixed, with Cisco Systems rising after raising its annual forecast, while UnitedHealth fell sharply due to a report of a criminal investigation into possible Medicare fraud. The S&P 500 gained 0.34%, the Dow rose 0.41%, and the Nasdaq dipped 0.02%. Investors are optimistic about potential trade deals, despite concerns over rising tariffs. Retail sales growth slowed in April, and producer prices unexpectedly fell, indicating ongoing uncertainty in the market.

- Wall Street stocks closed mixed, with Cisco Systems rising after an optimistic forecast, while UnitedHealth fell due to a reported criminal investigation.  
- The S&P 500 gained 0.37%, reflecting recovery from an April selloff, as investors anticipate potential trade deal resolutions.  
- Meanwhile, concerns over tariffs led Walmart to warn of upcoming price increases, contributing to a cautious outlook among retailers.

US STOCKS-Wall Street ends mixed; Cisco rallies while UnitedHealth tumbles