Hewlett-Packard, Conn's, Buffalo Wild Wings and H&R Block are big market movers

Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and the Nasdaq Stock Market:

NYSE

Hewlett-Packard Co., up $1.67 to $36.87

HP is splitting itself into two companies: one focused on its computer and printer business and another on technology services.

CareFusion Corp., up $10.58 to $56.75

The medical equipment maker is being bought by rival Becton, Dickinson and Co. in a deal that's worth $12.2 billion.

H&R Block Inc., down $1.75 to $29.91

The tax preparer said that its attempt to sell its banking business will be delayed to next year because of regulatory issues.

FTI Consulting Inc., up 88 cents to $35.74

A Stifel analyst upgraded the consulting company's stock to a "Buy" rating citing the company's new growth initiatives set by its CEO.

Nasdaq

Conn's Inc., down 26 cents to $32.68

The retailer said that it is considering selling the appliance and home furnishings company as it explores strategic alternatives.

Buffalo Wild Wings Inc., down $5.49 to $131.62

A Wedbush analyst downgraded the restaurant operator's investment rating because it may be hurt by rising chicken wing costs.

GT Advanced Technologies Inc., down $10.25 to 80 cents

The company, which produces materials used in cell phones, electronics and solar products, filed for Chapter 11 bankruptcy protection.

Sunesis Pharmaceuticals Inc., down $5.18 to $1.46

The drug developer said its treatment for an aggressive form of blood cancer missed its main goal during late-stage testing.