You are given two sentences(Sentence1 and Sentence2). Answer "Yes" if these sentences are a paraphrase of one another, otherwise answer "No".

Sentence1: Ryland Group ( nyse : RYL - news - people ) , a homebuilder and mortgage-finance company , sank $ 9.65 , or 11.6 percent , to $ 73.40 ., Sentence2: Swedish telecom equipment maker Ericsson ( nasdaq : QCOM - news - people ) jumped $ 2.88 , or 15.7 percent , to $ 21.28 .
No