NEW YORK — The U.S. stock market swung through another unsettled day of trading on Wednesday, ahead of a couple of crucial tests for Wall Street.

The S&P 500 rose 0.4 percent after veering between a small loss and a leap of 1.1 percent earlier in the day. That broke a four-day losing streak, the longest in nearly three months for the index, which has been shaking because of worries that stock prices have shot too high and that the Federal Reserve may not deliver as many cuts to interest rates as expected.

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The Dow Jones Industrial Average added 47 points, or 0.1 percent, and the Nasdaq composite climbed 0.6 percent.

Constellation Energy led the market and rallied 5.3 percent after the U.S. Department of Energy said it’s lending $1 billion to help restart Constella

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