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March 1 (Reuters) - Best Buy Co Inc, the No. 1 U.S. electronics retailer, reported an unexpected decline in holiday-quarter same-store sales on Wednesday, hurt by weak demand for tablets, gaming consoles, wearable devices and mobile phones.
The company's sales at stores open for more than a year fell 0.7 percent in the fourth quarter, widely missing analysts' average estimate of an increase of 0.5 percent, according to research firm Consensus Metrix.
Net revenue fell 1 percent to $13.48 billion, missing the average analyst estimate of $13.62 billion, according to Thomson Reuters I/B/E/S.
The company's shares fell more than 9 percent in premarket trading. (Reporting by Richa Naidu in Bengaluru; Editing by Savio D'Souza)