Mellanox Among Semiconductors' Biggest Movers on November 14, 2012

On a bad day for the market, the Nasdaq has slipped 0.4%, the S&P 500 has fallen 0.5% and the Dow is trading down 0.7%.

The Semiconductors sector (XLK) is currently ahead of the overall market, down only 0.2%, and its biggest movers are currently:

Company	Market Cap	Percentage Change
Cavium (Nasdaq:CAVM)	$1.55 billion	+4.2%
Mellanox (Nasdaq:MLNX)	$3.68 billion	-4.2%
Peregrine Semiconductor Corp (Nasdaq:PSMI)	$565 million	-3.9%
Spreadtrum Communications, Inc (Nasdaq:SPRD)	$896.2 million	-3.7%
Universal (Nasdaq:PANL)	$1.1 billion	-3.4%
First Solar (Nasdaq:FSLR)	$2.12 billion	-3.4%
FEI (Nasdaq:FEIC)	$2.02 billion	-2.7%

Broker Summary: Fidelity Online Brokerage

Cavium (Nasdaq:CAVM) is currently trading at $32.02 per share, a 4.2% increase. This morning, the company's volume is one million shares. This is 0.9 times the current daily average.

Mellanox (Nasdaq:MLNX) is trading at $83.26 per share, down 4.2%. The company's volume is currently 651,354 shares for the day,.

Peregrine Semiconductor Corp (Nasdaq:PSMI) is currently trading at a share price of $17.06, a 3.9% decline. The company is currently trading a volume of 14,466 shares.

Spreadtrum Communications, Inc (Nasdaq:SPRD) has decreased to $18.37 per share, a 3.7% fall. At 297,761 shares, the company's volume so far today is 0.3 times its current three-month average.

Universal (Nasdaq:PANL) has fallen 3.4% and is currently trading at $22.85 per share. So far this morning, 831,119 shares have changed hands. This is in keeping with its current daily average.

Currently trading at $23.58 per share, First Solar (Nasdaq:FSLR) has fallen 3.4%. At 2.2 million shares, the company's volume so far today is.

Slipping 2.7%, FEI (Nasdaq:FEIC) is currently trading at $51.61 per share. The company's volume for the day so far is 72,714 shares.

The Bottom Line On any given day, a particular stock may see positive or negative change in its share price. Paying close attention to the previous ratios will help you identify key times to adjust your strategy. Tools like valuation ratios and profit margins, however, are only as useful as the context you put them in; remember to take historical data and competitor performance into account.