Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "RT @NelsonGriggs: Today @amazon reached $1 trillion market valuation. The company listed on Nasdaq on May 15, 1997. @Nasdaq is proud to be…

" STOCK: Amazon DATE: 04/09/2018
Sentiment: (Provide sentiment here)
Explanation: The tweet sentiment is related to the stock mentioned, and it's important to interpret the context. The LSTM polarity score is 1 and the TextBlob polarity score is 0.0.