Lemonade stock could make a big move this week.Lemonade (LMND -1.50%) has disappointed investors in a big way over its four years of being a public company. It's down 73% since its first-day closing price, failing to meet expectations for profitability. However, if you'd bought at the right time, you would already have benefited from owning it -- it's up 67% over the past year.There are all sorts of factors that impact how the stock moves in the short term, and one of the major ones is earnings. Lemonade is ...