transformers safetensors bert text-classification NLP BERT FinBERT FinTwitBERT sentiment finance financial-analysis sentiment-analysis financial-sentiment-analysis twitter tweets tweet-analysis stocks stock-market crypto cryptocurrency en dataset:TimKoornstra/financial-tweets-sentiment dataset:TimKoornstra/synthetic-financial-tweets-sentiment base_model:StephanAkkerman/FinTwitBERT base_model:finetune:StephanAkkerman/FinTwitBERT license:mit autotrain_compatible endpoints_compatible region:us