Here are the week's top business stories from the Editors of Twin Cities Business:

Fastenal CEO Steps Down After 7 Months, Old CEO Back In
The change came as a surprise to regulators.

St. Jude Medical Acquires Heart Therapy Co. For $3.4B
The company said the purchase will expand their heart therapy portfolio into the “most comprehensive” in the world.

North Memorial Opening Downtown Clinic<
The clinic will be located in the former Saks space.<

3M’s Profits Grow But Fail To Meet Expectations
The company blames a strong dollar for its lower-than-anticipated figures.

AllOver Media Acquires Ski Resort Advertiser<
The purchase helps AOM reach an affluent audience.