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}.

Shares of Plug Power Inc. PLUG, +5.92% rose 6% in morning trading Thursday after the hydrogen fuel-cell company announced a deal to supply Amazon.com Inc. AMZN, +1.45% to provide liquid hydrogen to the retail giant starting in 2025. Plug Power and Amazon have had deals in place related to fuel cells used in forklifts at several of Amazon's distribution centers.
moderately positive