Based on the aggregated intelligence of 170,000-plus investors participating in Motley Fool CAPS, the Fool's free investing community, Chinese video-streaming website Youku.com (NYSE: YOKU) has received the dreaded one-star ranking.

With that in mind, let's take a closer look at Youku's business and see what CAPS investors are saying about the stock right now.

Youku facts

Headquarters (Founded) Beijing, China (2005)
Market Cap $4.6 billion
Industry Internet software and services
Trailing-12-Month Revenue $71.78 million
Management

Founder/Chairman/CEO Victor Wing Cheung Koo

CFO Liu Dele
Trailing-12-Month Operating Margin (32.3%)
Cash/Debt $265.5 million / $5.0 million
Competitors

Baidu (Nasdaq: BIDU)

SINA (Nasdaq: SINA)

Sohu.com (Nasdaq: SOHU)

Sources: Capital IQ (a division of Standard & Poor's) and Motley Fool CAPS.

On CAPS, 59% of the 245 members who have rated Youku believe the stock will underperform the S&P 500 going forward. These bears include All-Stars rijoker and TSIF, both of whom are ranked in the top 1% of our community.

Earlier this year, rijoker wrote that Youku bear case all boiled down to price: "Very expensive price for the valuation. ... Can they really become profitable and grow revenues in the future that fast to account for this price? This will come back to reality once the hype dies down."

In fact, Youku currently sports a particularly lofty price-to-sales (P/S) ratio of 65. That represents a clear premium to rivals Baidu (32), SINA (16), and Sohu (5).

CAPS All-Star TSIF expands on the underperform argument:

Youku.com is tough to gauge since it's China based and it has a great deal of Internet growth potential. It appears to me, however that the Internet is forming a bubble in China and Youku.com needs to show some growth to fit into its current P/B of 17 and it's 4.6B Market Cap. I don't see the growth the last few quarters that support the P/S. After an IPO six months ago in the $30's, I don't see much "loyalty" for the equity at these prices in this environment.

What do you think about Youku, or any other stock for that matter? If you want to retire rich, you need to protect your portfolio from any undue risk. Staying away from dangerous stocks is crucial to securing your financial future, and on Motley Fool CAPS, thousands of investors are working every day to flag them. CAPS is 100% free, so get started!