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}.

American Airlines Group Inc (NASDAQ: AAL) signed a firm order with Embraer SA (NYSE: ERJ) for three new E175s, which will be delivered this year. The contract value is $160.2 million at current list prices and will be included in Embraer's 4Q21 backlog.
moderately positive