By STAN CHOE, Associated Press Business Writer

NEW YORK (AP) — The U.S. stock market is climbing on Wednesday, for now at least, ahead of a couple huge tests for Wall Street.

The S&P 500 rose 0.8% in morning trading, coming off a four-day losing streak , its longest in nearly three months. It’s been shaky recently, not just day to day but also hour to hour, because of worries that stock prices have broadly shot too high and that the Federal Reserve may not deliver as many revitalizing jolts through lower interest rates as expected.

The Dow Jones Industrial Average was up 100 points, or 0.2%, as of 10 a.m. Eastern time, and the Nasdaq composite was 1.3% higher.

Constellation Energy rallied 5.2% after the U.S. Department of Energy said it’s lending $1 billion to help resta

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