Apple (AAPL) is gaining after-hours Tuesday after beating analysts' estimates for earnings and revenue in the fiscal first quarter.
Informatica (INFA) stock is gaining Tuesday following reports that it has contacted potential buyers.
World Wrestling Entertainment (WWE) stock is gaining Tuesday after announcing that it reached 1 million WWE Network subscribers.
Plug Power (PLUG) is gaining Tuesday after announcing changes to its corporate management team.
AK Steel (AKS) is gaining Tuesday after beating analysts' estimates for earnings in the fourth quarter.
CommScope (COMM) is gaining Tuesday following reports that TE Connectivity (TEL) is close to selling its telecom and data network equipment business to the company.
Lattice (LSCC) is gaining Tuesday after announcing it will acquire Silicon Image (SIMG) for about $600 million.
Intel (INTC) is falling Tuesday following Microsoft's (MSFT) quarterly earnings which included a 13% year over year drop in Windows Pro and non-Pro revenue.
Silicon Image (SIMG) is gaining Tuesday following the announcement that Lattice LSCC will acquire the company.
Jefferies raises its price target for Texas Instruments (TXN) to $64 from $59 with a 'buy' rating.