Nov 6 (Reuters) - Chinese search engine giant Baidu Inc BIDU.O beat analysts' estimates for quarterly revenue on Wednesday, sending its shares up 6% in extended trading.

Total revenue fell marginally to 28.08 billion yuan ($4.01 billion) from 28.20 billion yuan a year earlier.

Analysts on average had expected revenue of 27.49 billion yuan, according to IBES data from Refinitiv.

($1 = 6.9968 Chinese yuan renminbi)

(Reporting by Akanksha Rana in Bengaluru; Editing by Sriraj Kalluvila)

((akanksha.rana@thomsonreuters.com; within U.S. +1 646 223 8780, outside U.S. +91 80 6749 1130; Twitter: @AkankshaRanaa;))

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