Yelp (YELP -5.3%) plunges again (previous) after JMP starts coverage at Market Perform due to...

|About: Yelp (YELP)|By:, SA News Editor

Yelp (YELP -5.3%) plunges again (previous) after JMP starts coverage at Market Perform due to concerns about the local reviews site's valuation. Shares are now down 16% on the week, as next Wednesday's lockup expiration continues to loom large.