Netflix, Wendy's, Lexmark, RadioShack, Sourcefire are big market movers Tuesday

NEW YORK — Stocks that moved substantially or traded heavily Tuesday on the New York Stock Exchange and the Nasdaq Stock Market:

NYSE

RadioShack Corp., down 15 cents at $2.78

The struggling electronics retailer said that its second-quarter loss widened. It is bringing in consultants to help improve results.

Lexmark International Inc., up $1.86 at $36.43

The printer maker said that its second-quarter earnings more than doubled on higher demand for its print management software.

Nasdaq

The Internet video service's second-quarter profit more than quadrupled, but its new subscriber numbers fell short of expectations.

The Wendy's Co., up 55 cents at $7.23

The fast-food chain's quarterly net income beat Wall Street expectations and the company said it's selling 425 of its restaurants to franchisees.

Texas Instruments Inc., up $1.51 at $38.93

The semiconductor company said that second-quarter profit rose 48 percent on cost-cutting and demand for computer chips.

Cisco Systems Inc., the networking equipment company, is buying the computer network security company for about $2.37 billion.

Array BioPharma Inc., up 58 cents at $6.14

The drug developer said that its potential allergic asthma treatment fared much better than a placebo in mid-stage testing.

Capella Education Co., up $3.96 at $47.93