Toast aims to be the go-to software platform for the restaurant industry. Shares of Toast (TOST 0.04%) soared higher after the restaurant-focused fintech company reported strong first- quarter results and increased its guidance. With the stock up over 45% year to date, is it too late for investors to jump on board? Let's look at the company's most recent quarterly results, future prospects, and valuation to find the answer. A stellar Q1 and increased guidance Toast saw its Q1 revenue climb 31% to $1.08 bill ...