Late last month, Lyft Inc LYFT filed a lawsuit against San Francisco for overcharging its ride-hailing services by $100 million in taxes.The stock climbed to $18 after the company reported solid third-quarter results and more evidence to "buy into the story" is likely to come from its fourth-quarter performance, according to Benchmark.Analyst Daniel Kurnos upgraded the rating for Lyft from Hold to Buy, while establishing a new price target of $20.The Lyft Thesis: There are indications of the company perform ...