Greater China Fund and Bioenvision Among Today’s Top Upgrades

Today’s Biggest Upgrades:

Here are the stocks with the biggest one-day upgrade in their PowerRatings
(for Traders). Stocks
which have had a PowerRating (for Traders) of 8 have outperformed the S&P 500 index on average over the next 5
days by an 5.8-1 margin. Stocks with a PowerRating of 9 have outperformed by a
10.1-1 margin. Stocks with a PowerRating of 10 have outperformed the S&P by
nearly 14.7-1 margin. This potential edge opens up a number of possibilities for
your trading and investing.

Let’s take a closer look at a few of the daily charts from the list above:

OmniVision Technologies
(
OVTI |
Quote |
Chart |
News |
PowerRating)

OmniVision Technologies
(
OVTI |
Quote |
Chart |
News |
PowerRating)
now has a high PowerRating (for Traders) of

, upgraded from 2. This developer of semiconductor image sensor devices has
seen its shares rise 36% year-to-date and is now pulling back.  One of our
core philosophies here at TradingMarkets is to focus on strong stocks that are
pulling back.

Bioenvision Inc.
(
BIVN |
Quote |
Chart |
News |
PowerRating)

Bioenvision Inc.
(
BIVN |
Quote |
Chart |
News |
PowerRating)
has a high PowerRating (for Traders) of
8, upgraded from 5 on 7/18/07. This small cap biotech firm gains of 24%
year-to-date.

Greater China Fund Inc.
(
GCH |
Quote |
Chart |
News |
PowerRating)

Greater China Fund Inc.
(
GCH |
Quote |
Chart |
News |
PowerRating)
now has a PowerRating (for Traders) of
8, upgraded
from 5. The Greater China Fund is a nondiversified, closed-end management
investment company and has gains of 72% over the past 1 year.

This is just a quick starter’s guide on how to use
PowerRating (for
Traders)

to potentially gain an edge in your daily trading. Each day, we will be featuring
one
PowerRatings (for Traders) list, and releasing historically-backed data at no charge, to show
new users how best to take advantage of these opportunities. Check back tomorrow
for a new list, and a new group of stocks to focus on.

Darren Wong

Associate Editor

darrenw@tradingmarkets.com


Reminder: We are in no way recommending the purchase or short sale of these
stocks. This article is intended for education purposes only. Trading should be based on your own understanding of market conditions,
price patterns and risk; our information is designed to contribute to your
understanding.

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