Stocks opened higher Monday, kicking off the last trading week of May on a positive note after back-to-back weekly declines for the Dow Jones Industrial Average and the S&P 500. Analysts said investor worries over a pickup in inflation may be moderating as Treasury yields remain relatively stable. The Dow was up 120 points, or 0.3%, at 34,327, while the S&P 500 advanced 0.5% to 4,178. The Nasdaq Composite advanced 0.6% to 13,552.31.

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