Note: All winning portfolios and players are subject to verification.

C. Wrenn, under the player name "Nascar," held tightly onto the lead going into the final day of trading and claimed victory in Week Two of Beat the Street with an impressive 19.3% return for the week.

Wrenn held a $2,945 advantage coming into Friday, and was able expand the margin of victory to $3,479, holding off bullish onslaughts from portfolios holding

Google

(GOOG) - Get Report

,

Baidu

(BIDU) - Get Report

and

Pozen

(POZN)

.

Wrenn's portfolio was led by long holdings of

Metalico

(MEA)

,

Adtran

(ADTN) - Get Report

,

Knight Capital

(NITE)

,

Eaton

(ETN) - Get Report

, and

Yingli Green Energy Holding

(YGE)

.

Of note, Wrenn did have

ProShares UltraShort QQQ

(QID) - Get Report

, an ETF, in an original portfolio that was swapped out on Wednesday. QID was a money-losing trade, but it goes to highlight two important facets of the game: 1) Not all your picks need to be big gainers to win the $5,000 prize; and 2) using the swap-stock option is important.

Full marks and congratulations to C. Wrenn on great stock-picking!

As you get ready for

Week 3

, be sure to review the following articles, which should give you a leg up on the competition.

The weekly Rocket Stocks

portfolio

features stocks that have the potential to move fast to the upside. Keep an eye on these.

Need some guidance on how to Beat the Street? James Altucher shared his insights on

How to Win Beat the Street

, and all competitors should review that.

And if you're bearish on the market, check out

How to Beat the Street: Short-Selling

.

If you didn't play in the first two weeks, one of the features of this contest is that each Tuesday you can make one change to your five stocks. Keep an eye out for the weekly

Power Stocks

article for ideas on what you should swap in.

And get some ideas on the

Beat The Street forum

: Ask questions, post ideas and share thoughts on stocks with the rest of the community.

This article was written by a staff member of TheStreet.com.