Check out which companies are making headlines after the bell Wednesday:
NetApp - The provider of storage systems for information technology tallied fourth-quarter earnings per share of 59 cents on $1.65 billion in revenue, versus estimates calling for EPS of 79 cents on $1.67 billion in sales. Shares declined in after-hours trading.
Rexnord - The industrial company posted fourth-quarter adjusted earnings per share of 50 cents on $569.7 million in revenue. Expectations called for EPS of 47 cents on $583 million in sales. Its shares rose in after-hours trading.