Its market valuation is down to $1.68 billion from a 52-week high of $5.37 billion.

Suppose you were trying to determine a forward market valuation for Apple.

Its stock rose sharply, but the market valuation is still only $52 million.

At that level, Register's total market valuation is a meager $297 million.

The company's market valuation was $54 million at its height on the first day of trading.

And that market valuation is well in excess of the company's current revenues.

Tata's market valuation comes to slightly more than $10 billion.

The closing price gave the company a market valuation of more than $27 billion.

The 10-year-old company now has a market valuation of more than $1 billion.

At $16.50 a share, the company has a total market valuation of about $419 million.