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}.

Electric vehicle charging station Plug Power (NASDAQ: PLUG ) is enjoying strong gains today after inking a new hydrogen deal with Amazon (NASDAQ: AMZN ). PLUG stock is up nearly 9% today on news that it will be providing liquid hydrogen to the e-commerce giant starting in 2025.
moderately positive