NEW YORK (

TheStreet

) -- Shares of snack and culinary products company

Diamond Foods

(DMND)

were plummeting 14.1% to $30.05 in premarket trading Wednesday after director Joseph Silveira died after he shot himself.

Diamond Foods denied there's a link between his death and a board probe into the company's accounting practices.

The company announced his death on Nov. 17.

Deere

(DE) - Get Report

, the farming equipment maker, posted fourth-quarter earnings of $1.62 a share on revenue of $8.61 billion, beating the average analyst estimate of $1.43 a share on revenue of $7.87 billion.

Shares were gaining 7% to $76.92.

TiVo

(TIVO) - Get Report

, the television recording product maker,

posted a narrower-than-expected quarterly loss

and delivered its first increase in total subscriptions in four years.

Shares were adding 3.2% to $9.88.

Pandora

(P)

said third-quarter revenue rose 99% to $75 million, while adjusted profit came in at 2 cents a share.

Analysts were looking for revenue of $71 million and a loss of 1 cent a share.

For the current quarter ending in January,

Pandora

forecast an adjusted loss of 2 cents to 4 cents a share on revenue of $80 million to $84 million. Analysts are looking for a loss of 2 cents a share in the fiscal fourth quarter on revenue of $82.3 million.

Shares were tumbling 3% to $11.50.

The

Federal Reserve

on Tuesday announced plans to subject U.S. banks with total assets of $50 billion or more to stress tests. Thirty-one institutions are involved, including 19 that have previously endured the tests, including

Bank of America

(BAC) - Get Report

and

Citigroup

(C) - Get Report

.

The tests will subject the banks to a scenario similar to what would happen if the U.S. economy "were to experience a deep recession while at the same time economic activity in other major economies were also to contract significantly," the Fed said.

The six largest banks in the U.S. also will be asked to estimate "potential losses stemming from a hypothetical global market shock."

Bank of America shares were falling 1.7% to $5.28, and Citigroup shares were losing 1.4% to $24.11.

Shares of medical device maker

Boston Scientific

(BSX) - Get Report

were rising 1.7% to $5.40 after announcing Tuesday that it received U.S. Food and Drug Administration approval for the Promus Element Plus platinum chromium stent system.

Merck

(MRK) - Get Report

will pay $950 million to resolve government allegations into the marketing of painkiller Vioxx, the Justice Department said.

Merck will pay $321.6 million in criminal fines and $628.4 million as a civil settlement agreement,

The Associated Press

reported. Merck also will plead guilty to a misdemeanor charge.

Merck shares were lower by 0.8% to $33.55.

Deutsche Bank

(DB) - Get Report

is looking at all strategic options for its global asset management division as it and its European peers experience mounting pressure to ramp up their capital,

Bloomberg

reported.

Deutsche Bank was down 0.5% to $33.44.

The Federal Communications Commission said it plans to oppose

AT&T's

(T) - Get Report

$39 billion merger with

T-Mobile

, increasing the chances that

2011's largest merger

will fail.

FCC Chairman Julius Genachowski plans to ask for an administrative hearing on the deal that would add to headwinds for the merger. In August, the U.S. Department of Justice filed a lawsuit against AT&T and T-Mobile seeking to block the merger on antitrust concerns.

AT&T shares were down 0.5% to $27.93.

Guess

(GES) - Get Report

, the clothing retailer, is expected by analysts Wednesday to report earnings of 73 cents a share on revenue of $655.23 million.

Shares were down 0.5% to $27.07.

Nokia Siemens Networks, the troubled

Nokia

(NOK) - Get Report

and

Siemens AG

(SI) - Get Report

venture, will cut 17,000 jobs globally by the end of 2013 as it concentrates on the mobile broadband business.

Siemens was trading sideways at $93.67.

-- Written by Joseph Woelfel and Andrea Tse

>To contact the writer of this article, click here:

Joseph Woelfel

>To submit a news tip, send an email to:

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.

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