NEW YORK ( TheStreet) -- QKL Stores (Nasdaq: QKLS) has been downgraded by TheStreet Ratings from hold to sell. The company's weaknesses can be seen in multiple areas, such as its weak operating cash flow, generally disappointing historical performance in the stock itself and poor profit margins. QKL Stores Inc., through its subsidiaries, operates supermarkets in the Peoples Republic of China. The company has a P/E ratio of 2.4, below the S&P 500 P/E ratio of 23.3. QKL Stores has a market cap of $96.9 million and is part of the services sector and retail industry. Shares are down 9% year to date as of the close of trading on Monday. You can view the full QKL Stores Ratings Report or get investment ideas from our investment research center.