After-hours buzz: Apple, Facebook, Qualcomm & More

Check out which companies are making headlines after the bell Wednesday:

Apple (AAPL) - The consumer technology company posted second-quarter earnings per share of $11.62 on $45.6 billion in revenue, versus estimates of EPS of $10.18 on $43.53 billion in sales. It expanded its capital return program to more than $130 billion. The company's shares spiked in after-hours trade.

Chicago Bridge & Iron (CBI) - The provider of engineering and construction services reported first-quarter earnings per share of 87 cents, excluding items, on $2.93 billion in revenue, versus expectations of EPS of $1.11 on $3.069 billion in sales. Its shares dropped in after-hours trade.

Citrix Systems (CTXS) - The cloud computing company posted first-quarter earnings per share of 64 cents, excluding items, on $750.8 million in revenue. Analysts expected EPS of 58 cents on $732 million in sales.

Facebook (FB) - The social network site tallied first-quarter earnings per share of 34 cents, excluding items, on $2.50 billion in revenue, compared to expectations of EPS of 24 cents on $2.36 billion in sales. The company also said its CFO was stepping down on June 1. Its shares fluctuated before rising in after-hours trade.

Qualcomm (QCOM) - The technology provider reported second-quarter earnings per share of $1.31, excluding items, on $6.37 billion in revenue, versus estimates of EPS of $1.22 on $6.48 billion in sales. Its third-quarter guidance came in beneath forecasts. Its shares declined in after-hours trade.

Texas Instruments (TXN)- The semiconductor company inked first-quarter earnings per share of 42 cents, excluding items, on $2.98 billion in revenue, compared to estimates of EPS of 41 cents on $2.957 billion in sales. Its shares climbed in after-hours trade.

Tractor Supply (TSCO) - The operator of retail farm and ranch stores posted first-quarter earnings per share of 35 cents on $1.18 billion in revenue. Expectations called for EPS of 37 cents on $1.208 billion in sales. Its shares dropped in after-hours trade.

Zynga (ZNGA) - The developer of online social games such as Farmville and Words with Friends tallied a first-quarter earnings per share loss of 1 cent on $161 million in revenue, versus expectations of EPS loss of 1 cent on $146.5 million in sales. The company also said co-founder Mark Pincus would relinquish his operational duties. Its shares rose in after-hours trade.

Read More Zynga's Pincus withdraws further from operations

-By CNBC's Kate Gibson.

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