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

52-Week Lows

:

Microstrategy

(MSTR) - Get MicroStrategy Incorporated Class A Report

dipped 12% to a 52-week low, after the business software provider posted declining second-quarter profits Friday. The company earned $11.6 million, or 90 cents a diluted share, compared to $16.6 million, or $1.21 a diluted share, in the year ago period. Shares dropped $11.51 to $74.07.

Biggest % Losers

:

Isilon Systems

( ISLN) plummeted 36% Friday, after the data storage system provider cut its full-year sales outlook and offering disappointing third-quarter guidance. The company now sees sales of between $98 million and $105 million for the year, below the $118 million expected by analysts. It forecast third-quarter revenue of between $25 million and $27.5 million, short of the $31.4 million seen by analysts. Shares fell $5.37 to $9.54.

Rising on Unusual Volume

:

Lance

(LNCE)

, which makes Cape Cod brand potato chips and other snack foods, on Friday jumped 13% on trading volume more than five times its three-month daily average. The company on Thursday reported second-quarter profits of $9.1 million, or 29 cents a share, from $6.2 million, or 20 cents a share, in the year-ago period. The gains exceeded the expectations of analysts polled by

Reuters

, who saw earnings of 23 cents a share. Shares gained $3.04 to $26.17.

52-Week Highs

:

Deckers Outdoor

(DECK) - Get Deckers Outdoor Corporation Report

advanced 14%, after the makers of Ugg and Teva footwear upped its full-year guidance. The company now sees sales growth of 35%, up from its earlier forecast of 25%, Analysts polled by Thomson Financial expected full-year sales growth of 27%.The company also increased its expected earnings per share growth to 25%, from an earlier view of 15%, compared to analysts forecast of 19%. Shares climbed $13.21 to $107.78.

Biggest % Gainers

:

USB Holding

( UBH) soared 57%, after

TheStreet Recommends

KeyCorp

(KEY) - Get KeyCorp (KEY) Report

said it would acquire it for $575 million in cash and stock. USB shares were up $8.76 to $24.05.

Latest Activist Situations

: Greenlight Capital, which owns 10% of mining industry services provider

Washington International Group

( WNG), opposed URS Corp.'s proposed $2.6 billion acquisition, according to a

Securities and Exchange Commission

filing Friday. Shares slipped 15 cents to $80.70.

Stocks With Unusual Option Activity

:

OM Group

(OMG)

, which produces a variety of products from cobalt and other metals, was experiencing unusual option activity ahead of an expected earnings announcement on Aug. 2.

Forum of the Day

After last week's selloff, Ira Krakow wonders

what percentage of your portfolio is in cash

?

Do You Know the Answer?

Cisco Systems

(CSCO) - Get Cisco Systems, Inc. Report

reports earnings Aug. 8. Analysts polled by Thomson Financial expect profits of 35 cents a share. The company just authorized $5 billion in buybacks.

Should I add to my position now or after the report

?

Feeling Lucky?

And finally, try picking a random portfolio suited to do-it-yourselfers with more detailed analysis at

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