Pier 1 Imports, Inc. ( PIR ) was downgraded by Wells Fargo ( WFC ) analysts to 'Market Perform' from an 'Outperform' rating Thursday. The name was also downgraded at Barclays to 'Equal Weight' from 'Overweight'. The firm said it was also lowering its price target on the stock to $14 from $18 a share, citing accelerating expenses and slower revenue growth following the company's Q2 earnings report.