Task: Analyze the tweet's sentiment and assign it to either 'neutral or no emotion' or one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: Do not be discouraged by a slowing sales market. This will test your business model and pinpoint #strengths and #weaknesses.' @Ken_Dunn
This tweet contains emotions: 
optimism