(Yicai Global) Dec. 6 -- Chinese companies listed in the US have extended their longest losing streak this year.

The Bank of New York Mellon index that tracks American depositary receipts (ADRs) of US-listed Chinese firms has fallen for the seventh straight day since Nov. 27, down 7.47 percent.

The stock price of Xunlei Ltd. [NASDAQ:XNET] dropped 15.5 percent to close at USD13.71 yesterday, its biggest decline in a week. PPDAI Group Inc. [NASDAQ:PPDF] led the slide among US-listed Chinese online lenders, falling 6.5 percent to a record low of USD7.8. Shares of Qudian Inc. [NYSE:QD] were down 4.8 percent to close at USD11.85. Jianpu Technology Inc. [NYSE:JT] closed down 4.7 percent at USD4.91. Stocks of China Rapid Finance Ltd. [NYSE:XRF] ended down 0.2 percent at USD5.19. Yirendai Ltd. [NYSE:YRD] rose 3.4 percent to close at USD35, countering these declines. Hexindai, Inc. [NASDAQ:HX] edged up 0.9 percent to end at USD11.61.

Shares of Bitauto Holdings Ltd. [NYSE:BITA] rose 8.2 percent, their biggest rise in three months, to close at USD30.84 yesterday, ending a five-day losing streak. Sogou Inc. [NYSE:SOGO] gained 6.4 percent to end at USD11.7, its biggest increase since its flotation a month ago. Stock of Wins Finance Holdings Inc. [NASDAQ:WINS] ended down 2.4 percent at USD82.94 as the dinner bell rang.