Currently, the Nasdaq has moved up 0.6%, the S&P 500 has climbed 0.2% and the Dow has moved little. The Nasdaq Composite Index is a capitalization-weighted index, with each company weighted in proportion to its market value.

The biggest movers traded on the NASDAQ so far are:

Company Market Cap Percentage Change
Cirrus Logic (Nasdaq:CRUS) $1.78 billion +5.4%
Deckers (Nasdaq:DECK) $1.34 billion +4.9%
M\x2FA-COM Technology Solutions (Nasdaq:MTSI) $680.9 million -3.4%
Magellan Health Services (Nasdaq:MGLN) $1.43 billion -3.4%
Apple (Nasdaq:AAPL) $479.37 billion +2.7%
CommVault Systems (Nasdaq:CVLT) $3.06 billion +2.6%
HeartWare International (Nasdaq:HTWR) $1.17 billion +2.3%

Broker Summary: Fidelity Online Brokerage

Cirrus Logic (Nasdaq:CRUS) has risen 5.4% and is currently trading at $28.58 per share. So far today, the company's volume is 1.4 million shares.

Deckers (Nasdaq:DECK) is up 4.9% to reach a current price of $39.77 per share. So far today, the company's volume is 925,557 shares, consistent with its current three-month average.

M\x2FA-COM Technology Solutions (Nasdaq:MTSI) has fallen 3.4% and is currently trading at $14.42 per share. The company is trading at a volume of 8,217 shares. This is a sign that there will be less trading activity than there was yesterday.

Magellan Health Services (Nasdaq:MGLN) is trading at $50 per share, down 3.4%. So far today, the company's volume is 261,613 shares, 1.4 times the current daily average.

After rising 2.7%, Apple (Nasdaq:AAPL) is currently trading at a share price of $523.14. The company's volume for the day so far is 8.9 million shares.

Increasing 2.6%, CommVault Systems (Nasdaq:CVLT) is trading at $68.98 per share. At 111,193 shares, the company's volume so far today is 0.2 times the current three-month average.

HeartWare International (Nasdaq:HTWR) has risen 2.3% to hit a current price of $83.08 per share. The company's volume for the day so far is 56,687 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.

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