What is the sentiment of this news? Please choose an answer from {strong negative/moderately negative/mildly negative/neutral/mildly positive/moderately positive/strong positive}.
Text: As measured by its current market cap, Vertex Pharmaceuticals ( VRTX , Financial) would be the most expensive among the 10 companies identified by Fierce Biotech as the top M&A targets, with Adaptimmune Therapeutics plc ( ADAP , Financial) being the cheapest.
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