Benzinga's Top Upgrades By: Benzinga via Benzinga June 14, 2016 at 09:03 AM EDT Analysts at Citigroup upgraded Vonage Holdings Corp. (NYSE: VG) from Neutral to Buy. The target price for Vonage Holdings has been ... Read More >> Related Stocks: Achaogen Inc Allegiant Travel Com Cheniere Energy Laredo Petroleum Holdings Inc Msa Safety Inc Vonage Holdings