Amkor Technology (NASDAQ: AMKR) is a leading provider of semiconductor assembly and test services. The firm offers semiconductor companies and electronics manufacturers a complete set of microelectronics manufacturing services, including die bonding, wire bonding, chip encapsulation, and verification of function, current, timing, and voltage. Clients include IBM (NYSE: IBM), Intel (NASDAQ: INTC) and Texas Instruments (NYSE: TXN).

The company surprised the Street last week, when it reported Q1 EPS of 36 cents and revenues of $699.5 million. Analysts had been looking for 26 cents and $684.3 million. The CEO attributed success to customer demand for wireless communications and networking applications. Management also guided Q2 EPS to 32-36 cents (28 cent consensus) and Q2 revenues to about $706-$720 million ($700.6M consensus).

Amkor Technology (NASDAQ: AMKR) is a leading provider of semiconductor assembly and test services. The firm offers semiconductor companies and electronics manufacturers a complete set of microelectronics manufacturing services, including die bonding, wire bonding, chip encapsulation, and verification of function, current, timing, and voltage. Clients include IBM (NYSE: IBM), Intel (NASDAQ: INTC) and Texas Instruments (NYSE: TXN).

The company surprised the Street last week, when it reported Q4 EPS of 46 cents and revenues of $747 million. Analysts had been looking for 28 cents and $700 million. Management also guided Q1 EPS to 25-29 cents (23 cent consensus) and Q1 revenues to about $680-$695 million ($676.10M consensus). Lehman Brothers subsequently reiterated its overweight rating.