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

Biggest % Gainers

: Wireless provider

Rural Cellular

(RCCC)

soared 34.4% after Verizon Wireless, a joint venture of

Verizon

(VZ) - Get Report

and

Vodaphone Group

(VOD) - Get Report

, agreed to buy the company for $2.67 billion in cash and assumed debt. The acquisition will increase Verizon Wireless' customer base by 700,000. Rural Cellular closed up $10.95 to $42.76.

52-Week Highs

:

Graham

(GHM) - Get Report

surged 32% Monday after the industrial products maker posted first-quarter estimates that shattered expectations. Graham saw sales increase to $20 million from $14.6 million; profits doubled $2.7 million, or 66 cents a share, from $1.1 million, or 28 cents a share. Shares jumped $8.70, reaching a 52-week high of $35.50.

Rising on Unusual Volume

:

Owens-Illinois

(OI) - Get Report

increased 4.5% amid heavy trading volume. The packaging company was up $1.70 to $39.50.

Biggest % Losers

:

NovaStar Financial

( NFI) took a beating along with other home lenders Monday, after

American Home Mortgage

( AHM) plummeted on word the real estate investment trust suspended its 70-cent per-share quarterly dividends due to margin calls and writedowns. NovaStar was down $3.31, or 20%, to $12.93.

52-Week Lows

: Shares of

RAIT Financial

(RAS)

sunk 7% to 52-week low, after the

NYSE

terminated trading of American Home Mortgage. The Philadelphia-based REIT was down $1.30 to $16.08.

Stocks with Unusual Option Activity

:

aQuantive

( AQNT) was experiencing unusual options activity on Monday, while the stock remained nearly unchanged. The digital marketing company added 9 cents to $66.09.

Latest Activist Situations

: Ramius Capital, in a filing with the

Securities and Exchange Commission

, disclosed a 6.5% stake in

Luby's

(LUB) - Get Report

. In a letter, Ramius expressed its belief that the company is undervalued and urged it to pursue a sale or other option to create value to shareholders. The stock closed down 25 cents, or 2.5%, to $9.91.

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Pfizer

(PFE) - Get Report

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