Today's biggest winners and losers in the stock market.

On this episode of Stock Movers:

-Micron Technology (MU) shares are higher in extended trading, after the chipmaker reported second-quarter results that were much stronger than expected. It also gave a third-quarter forecast that was well above the analyst consensus.

-Constellation Brands (STZ) shares advance 1.8% in premarket trading on Wednesday after Citi raised the recommendation on the beverage company to buy from neutral, citing a beer topline acceleration and a valuation that’s below historical levels.

-CF Industries Holdings (CF) shares fall as much as 2.6% after their rating was cut at Mizuho Securities to underperform from neutral. The stock had rallied on expected growth in demand and prices as the Iran war and disruption to the Strait of Hormuz tightened fertilizer supply.

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