Check out which companies are making headlines after the bell Wednesday:
AT&T - The telecom company posted earnings of 66 cents a share, excluding one-time items, edging past expectations by a penny a share. The company posted revenue of $32.16 billion, a touch below estimates for $32.19 billion. Shares were flat in extended-hours trading.
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Akamai - The Internet content delivery network company posted earnings of 50 cents a share, excluding one-time items, on sales of $396 million, exceeding Wall Street expectations for 46 cents a share on revenue of $388 million. But the company issued current-quarter earnings and sales guidance on the conservative side. Shares quickly reversed their early rally to trade sharply lower in extended-hours trading.
Visa - The credit-card provider lifted its dividend by 21 percent to 40 cents a share from 33 cents a share. Shares nudged higher in extended-hours trading.
E-Trade - The financial services company reported a profit of 16 cents a share, in line with estimates, on revenue of $417 million, slightly shy of forecasts for $419 million. Shares fell in extended-hours trading.
Cheesecake Factory - The restaurant chain reported earnings of 52 cents a share, ex-items, matching Wall Street expectations, on revenue of $470 million, edging past estimates by $1 million. Shares rallied in extended-hours trading.
TripAdvisor - The travel website posted earnings of 45 cents a share, ex-items, matching forecasts, on revenue of $255 million, slightly missing expectations for $256 million. Still, shares gained in extended-hours trading.
Citrix - The software company posted earnings of 70 cents a share on revenue of $713 million, edging past expectations for 69 cents a share on sales of $712 million. But the company handed in current-quarter guidance that missed estimates. In addition, the company announced a $500 million buyback program. Shares rallied in extended-hours trading.
F5 Networks - The technology company reported earnings of $1.26 a share, excluding one-time items, on revenue of $395 million, beating forecasts for $1.19 a share on sales of $358 million. Shares spiked more than 10 percent in extended-hours trading.
Lam Research - The semiconductor equipment company reported earnings of 81 cents a share, ex-items, on revenue of $1.02 billion, beating forecasts for 71 cents a share on sales of $1.01 billion. In addition, the company handed in current-quarter earnings outlook that topped expectations, sending shares higher in extended-hours trading.
Symantec - The security software company posted earnings of 50 cents a share, ex-items, on sales of $1.64 billion, versus expectations for 44 cents a share on sales of $1.69 billion. Meanwhile, the company handed in current-quarter earnings and sales guidance that sharply missed expectations and said it expects a revenue decline of between 3 and 4 percent, versus Wall Street expectations for a gain of 1 percent. Shares tumbled in extended-hours trading.
Varian - The medical device maker reported earnings of $1.08 a share on sales of $770 million, missing expectations for $1.12 a share on revenue of $779 million. In addition, the company handed in current-quarter guidance that fell short of estimates, sending shares lower in extended-hours trading.
ServiceNow - The enterprise software company posted a profit of a penny a share on revenue of $111 million, exceeding Wall Street projections for a loss of 2 cents a share on sales of $105 million. In addition, the company handed in current-quarter guidance that topped estimates. Shares rose in extended-hours trading.
Fortinet - The network security appliances company reported earnings of 12 cents a share, ex-items, on revenue of $155 million, beating estimates for 11 cents a share on sales of $151 million. Shares rallied in extended-hours trading.
Angie's List - The consumer review website reported a loss of 23 cents a share, wider than the expected loss of 20 cents a share, while revenue was in line with estimates at $66 million. In addition, the company handed in current-quarter revenue guidance that disappointed analysts. Shares tumbled sharply in extended-hours trading.
SL Green Realty - The real estate investment trust boosted its dividend to 50 cents a share from 33 cents a share. Shares ticked higher in extended-hours trading.
—By CNBC's JeeYeon Park (Follow JeeYeon on Twitter: @JeeYeonParkCNBC)
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