By the Numbers

Stocks on the Move Now

By The Numbers | Stocks on the Move Now

Shares of the following companies are showing unusual moves in Tuesday's trading session .

Among the winners, Edwards Lifesciences rose after the company revealed a study showing that its Sapien transcatheter heart valve produced improved outcomes for 822 patients with restricted aortic valves, or aortic stenosis.

To the downside, shares of Gentex plunged as the auto-part supplier reported weaker-than-expected fourth-quarter earnings and cautioned about slowing production in Europe and China.