Editor's Note: In this feature from Stockpickr, we highlight lists of stocks that recently have made new highs, lows or seen other unusual activity.

Biggest % Gainers

:

Playtex

(PYX) - Get Report

jumped 16% Friday after the company agreed to be acquired by

Energizer

(ENR) - Get Report

for about $1.9 billion, or $18.30 a share. The maker of feminine, infant and skin-care products closed the session up $2.45 at $17.97.

52-Week Highs

: After a couple of days of solid gains,

Research In Motion

( RIMM) reached a record high of $228.17 on Friday. The BlackBerry maker closed ended the session $12.05, or 5.6%, higher at $227.52.

Rising on Unusual Volume

: Amid a 400% average-volume increase, Energizer gained less 1% on Friday. News of Energizer's acquisition of Playtex may have ignited the heavy trading. Shares closed up 94 cents at $107.67.

Biggest % Losers

: Drugmaker

Idenix Pharmaceuticals

(IDIX)

sunk more than 38% after it and partner

Novartis

(NVS) - Get Report

stopped development of hepatitis C treatment valsopicitabine following word that the Food and Drug Administration reported a negative risk/benfit assessment for the drug. Friday, Idenix shares dropped $2.22, to end the day at $3.57.

52-Week Lows

: Shares of Idenix also sunk to a 52-week low on the negative news from the FDA.

Stocks With Unusual Option Activity

:

China Medical

( CMED) experienced unusual options activity Friday, as shares gained 4.2%. The Beijing-based company that makes cancer treatment products closed $1.41 higher at $35.01.

Latest Activist Situations

: According to reports from Bloomberg, activist investor William Ackman, through his Pershing Square hedge fund, has built up a greater than 5% stake in

Target

(TGT) - Get Report

. The report cited a person with knowledge of his actions. Shares of the retailer closeed Friday up 10 cents, or 0.2%, at $70.14.

Forum of the Day

Deeb asks,

Where is

Sears

(SHLD)

going?

Do You Know the Answer?

Will

Nabors

(NBR) - Get Report

beat estimates next week ?

awaygab would like to know.

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