Photo; Reuters, Shannon Stapleton
Photo; Reuters, Shannon Stapleton

Shares of US retailer Sears saw their biggest decline in six weeks after the company admitted to having “serious doubts” about the future. Bloomberg reports that the company’s latest annual report suggested weak earnings could threaten the firm’s ability to keep operating. Fitch Ratings said last year that, what was once the world’s largest retailer, is at a high risk of defaulting.