SINA Corp.

Neutral. The absence of a valid P/E ratio happens when a stock can not be valued on the basis of a negative stream of earnings.

SINA's P/E is negative making this valuation measure meaningless.

Neutral. The P/CF ratio is the stock’s price divided by the sum of the company's cash flow from operations. It is useful for comparing companies with different capital requirements or financing structures.

Ratio not available.

Discount. A lower price-to-projected earnings ratio than its peers can signify a less expensive stock or lower future growth expectations.

SINA is trading at a discount to its peers.

Neutral. The PEG ratio is the stock’s P/E divided by the consensus estimate of long-term earnings growth. Faster growth can justify higher price multiples.

Ratio not available.

Discount. A lower price-to-book ratio makes a stock more attractive to investors seeking stocks with lower market values per dollar of equity on the balance sheet.

SINA is trading at a significant discount to its peers.

Lower. Elevated earnings growth rates can lead to capital appreciation and justify higher price-to-earnings ratios.

However, SINA is expected to significantly trail its peers on the basis of its earnings growth rate.

Discount. In the absence of P/E and P/B multiples, the price-to-sales ratio can display the value investors are placing on each dollar of sales.

SINA is trading at a significant discount to its subsector on this measurement.

Lower. A sales growth rate that trails the subsector implies that a company is losing market share.

SINA significantly trails its peers on the basis of sales growth.