Penske, Conceptus, Sina are big movers

Penske, Conceptus, Sina, Sinclair Broadcast are big market movers on Monday

NEW YORK (AP) -- Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and the Nasdaq Stock Market:

NYSE

J.C. Penney Co. Inc., up 19 cents at $17.19

The retailer confirmed that investment bank The Goldman Sachs Group Inc. will provide $1.75 billion in financing.

Penske Automotive Group Inc., up $1.62 at $31.42

The auto retailer reported net income in the first quarter rose 23 percent, helped by higher U.S. demand for vehicles.

Eaton Corp. PLC, up $1.63 at $60.28

The diversified manufacturer said its first-quarter net income rose 22 percent, thanks to the acquisition of Cooper Industries.

Southwestern Energy Co., up $1.49 at $36.97

The oil and gas producer reached a deal to buy properties in a key natural gas field area for about $93 million.

Nasdaq

Conceptus Inc., up $5.06 at $30.96

German drug company Bayer AG said it plans to buy California-based Conceptus Inc. to expand its birth control offerings.

Auxilium Pharmaceuticals Inc., down $2.03 at $14

The drugmaker reported disappointing first-quarter sales and said it will spend $585 million to buy a urology drug company.

Sinclair Broadcast Group Inc., down 80 cents at $26.69

The TV station operator said first-quarter net income fell sharply, as higher revenue failed to make up for rising expenses.

SINA Corp., up $4.73 at $55.03

Alibaba Group, the Chinese e-commerce company, agreed to buy an 18 percent stake in SINA Corp.'s Weibo, a microblogging platform.