(Premarket roundup updated to reflect Barnes & Noble earnings news and share price changes)
NEW YORK ( TheStreet) -- Shares of Barnes & Noble ( BKS) have been sliding by 4.6% to $14.19 in premarket trading after the company reported second-quarter net loss of $12.6 million, or 22 cents a share, on sales of $1.9 billion. The company is expecting third-quarter earnings per share of 90 cents to $1.20 and full-year loss per share of 75 cents to $1.15. Wall Street was calling for third quarter earnings per share of $1.29 and full-year loss of 40 cents.

Lowe's ( LOW) reaffirmed its full-year sales and earnings guidance while announcing it would be unveiling new approaches to improve its retail operations.

Shares of Lowe's are falling 1.3% to $22.06 in premarket trading.

Shares of Trina Solar ( TSL) slipped by 0.4% to $23.80 in premarket trading. The company reported third-quarter earnings that exceeded Wall Street expectations through an improvement in margins and a ramp-up in shipments.

Google ( GOOG) shares have fallen 1.2% to $575.25 in premarket trading as the European Commission investigates whether the search giant has abused its dominant position in online searches.

Swiss engineering company ABB ( ABB) has offered to buy Baldor Electric ( BEZ) for $63.50 a share, or $3.1 billion in cash. Shares of ABB were falling by 0.5% to $19.47 in premarket trading. Baldor was surging by 40.4% to $63.33.

Merck ( MRK) shares were falling 1% in premarket trading to $34.35 after the drug giant named its president, Kenneth Frazier, to the additional post of CEO.

Hard drive maker Seagate ( STX) terminated buyout talks with private-equity firms, sending its shares tumbling in premarket trading Tuesday, down 4.5% to $13.24.
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-- Written by Andrea Tse in New York.

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