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

On this episode of Stock Movers:

- Fannie Mae (FNMA) and Freddie Mac (FMCC) shares are down about 70% in the last six months and have plunged to their lowest level in more than a year as investors cast doubt on the Trump administration’s efforts to sell more stock in the mortgage-finance giants to the public.

- Micron (MU) stocks fell after the chipmaker gave a forecast for capital spending that was higher than expected, the latest example of investors being wary of elevated spending. Analysts note that there might be increased concern among investors about the ability of memory chipmakers to maintain their outsized margins.

- Darden (DRI) shares have fluctuated as investors grapple with the restaurant chain operator’s mixed third-quarter earnings report. Total company same-store sales beat expectations, but Olive Garden, Darden’s biggest revenue contributor, fell short. Darden operating income also missed due to restaurant margin pressures.

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