Take a look at some of Monday's midday movers:
AbbVie - Shares rallied after the company said a late-stage trial of its experimental oral hepatitis C treatment yielded promising results.
Consol Energy - Its shares fell after Citigroup downgraded its stock to neutral from buy
Tyson Foods - The meat processor gained after reporting a better-than-expected rise in quarterly operating profit.
Boeing - The Dow component and plane manufacturer rose after netting $100 billion in orders at the first day of the Dubai Airshow.
Precision Castparts - The aircraft parts and components supplier gained along with Boeing, as did Spirit AeroSystems Holdings.
Microsoft - Shares of the software giant fell after Bank of America downgraded it to underperform from neutral.
Nvidia - declined after Morgan Stanley cut its shares to underweight from equalweight.
JinkoSolar Holding - The Chinese maker of solar-energy components rallied after reported better-than-expected profit and revenue growth.
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—By CNBC's Kate Gibson
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