JD.com Inc. posted a stronger-than-expected 1.7% rise in quarterly revenue, after heavy promotional spending propelled online transactions in the face of intense competition.

Revenue came to 247.7 billion yuan ($34.2 billion) in the September quarter, versus the 246.6 billion yuan average analyst estimate. Net income rose 33% to 7.9 billion yuan. Its shares rose 4.5% in pre-market trading in New York.