Morning Market Movers - Analog Devices (NASDAQ:ADI)

Idenix Pharmaceuticals

IDIX

jumped 231.95% to $24.00 after Merck

MRK

announced its plans to acquire Idenix for $24.50 per share in cash. Achillion Pharmaceuticals

ACHN

climbed 40.63% to $4.05 on news of Merck-Idenix deal. Hittite Microwave

HITT

shares surged 28.52% to $77.83 after Analog Devices

ADI

announced its plans to buy Hittite Microwave for $78 per share in cash. Kelly Services

KELYB

shares jumped 37.45% to $25.62. Family Dollar Stores

FDO

shares gained 13.58% to $68.75 after Carl Icahn disclosed a brand-new 9.39% stake in the company. Dollar General

shares surged 10.79% to $64.25 on news of Carl Icahn's 9.39% stake in Family Dollar Stores

FDO

. The Hillshire Brands Company

HSH

rose 4.74% to $61.71 after Tyson Foods

TSN

announced it has submitted a unilaterally binding offer to buy Hillshire for $63 per share in cash.