So far today, the market has been on the rise. The Nasdaq has climbed 0.5%; the S&P 500 has risen 0.6%; and the Dow is up 0.5%. Also known as the "Big Board", the NYSE relied for many years on floor trading only, using the open outcry system.

The biggest movers traded on the NYSE so far are:

Company Market Cap Percentage Change
Nam Tai Electronics (NYSE:NTE) $649.2 million -12.1%
Cabelas (NYSE:CAB) $3.08 billion -6.5%
Polypore International (NYSE:PPO) $1.91 billion +6.2%
Clean Harbors (NYSE:CLH) $2.99 billion -4.5%
Cubic (NYSE:CUB) $1.31 billion -3.6%
Landauer (NYSE:LDR) $532.8 million +3.4%
Texas Industries (NYSE:TXI) $1.33 billion +3.1%

Broker Summary: E-Trade Financial

Nam Tai Electronics (NYSE:NTE) is at a share price of $12.73 after a sharp decline of 12.1%. So far today, 1.2 million shares of the company's stock have changed hands. Yesterday's volume was only 221,639 shares.

Currently trading at $41.07 per share, Cabelas (NYSE:CAB) has fallen 6.5%. The company's volume for the day so far is 1.4 million shares.

After an increase of 6.2%, Polypore International (NYSE:PPO) has reached a current price of $43.50. The company's volume for the day so far is 355,424 shares, one times its average over the past three months.

Falling 4.5%, Clean Harbors (NYSE:CLH) is currently at a share price of $53.52. The company's volume for the morning is 346,289 shares. This is one times the average daily volume.

At $47.08, Cubic (NYSE:CUB) has slipped 3.6%. At 79,147 shares, the company's volume so far today is which is more trading activity than there was yesterday.

Landauer (NYSE:LDR) has increased to a share price of $58.51, a 3.4% rise. The company is currently trading a volume of 5,198 shares.

Rising 3.1%, Texas Industries (NYSE:TXI) is currently trading at $48.94 per share. With 50,497 shares changing hands so far today, the company's volume is 0.2 times the current three-month average.

The Bottom Line No matter the economic climate, Wall Street will always have stocks that make major moves each week. It is important to weigh current activity against historical performance when making any investment decisions. However, these fundamental metrics must be analyzed with historic data, industry information in addition to firm specific financial statements.