(Premarket story updated with Verigy news and share price information.)
NEW YORK (TheStreet) -- Verigy (VRGY) said Thursday it received a revised proposal from Advantest (ATE) to acquire it for $15 a share in cash, an increase from a previous offer of $12.15 a share earlier this month.

Shares of Verigy rose 10.61%, or $1.34, to $13.97 in premarket trading Thursday.

AstraZeneca ( AZN - Get Report) said late Wednesday it would discontinue the development of Certriad, a treatment for mixed dyslipidemia, with Abbott ( ABT - Get Report) when their license agreement ends on Jan. 22, 2011.

Abbott closed at $47.84 on Wednesday. AstraZeneca is down 0.19%, or 9 cents, to $45.71 in premarket trading.

Office Depot ( ODP - Get Report) recently filed a change-in-control agreement with several of its executives with the Securities and Exchange Commission, signaling that a takeover may be on the horizon.

Shares of the office products supplier were rising 2.27%, or 12 cents, to $5.40 in premarket trading.

Rovi ( ROVI) agreed to buy Sonic Solutions ( SNIC) for $720 million in a stock and cash transaction in efforts to expand its digital entertainment offerings.

Sonic Solutions shares were climbing 24.68%, or $2.77, to $13.97 in premarket trading Thursday.

Bed Bath & Beyond ( BBBY - Get Report) beat Wall Street earnings expectations for a ninth straight quarter on Wednesday. The diversified retailer reported a third-quarter profit of $188.6 million, or 74 cents a share, up from $151.3 million, or 58 cents a share, a year earlier, and well ahead of analysts' expectations of 66 cents a share.

Shares of Bed Bath rose 6.61%, or $3.15, to $50.82 in premarket trading.

Micron Technologies ( MU - Get Report) reported first-quarter earnings of $155 million, or 15 cents a share, coming in well below the average estimate of analysts polled by Thomson Reuters for earnings of 28 cents a share.

Shares of the semiconductor manufacturer were down 3.62%, or 30 cents, to $7.98 in premarket trading Thursday.

The Irish government has recapitalized Allied Irish Banks ( AIB) and taken it under state control.

Shares of the company fell 15.6%, or 17 cents, to 92 cents in premarket trading.

Rio Tinto Group ( RIO) has reached terms on a bid implementation agreement to acquire Australia's Riversdale Mining for A$3.9 billion.

The all-cash offer values Riversdale shares at A$16 each, which represents a 46% premium to the weighted average price of Riversdale's stock from Nov. 3 to Dec. 3.

Rio Tinto shares fell 1.03%, or 73 cents, to $70.24 in premarket trading.

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