Snap (SNAP 0.72%) stock is getting crushed this week. As of 10:15 a.m. ET Friday, the social media company's share price was down 34.3% from where it traded at the end of last week, according to data from S&P Global Market Intelligence.Snap published its fourth-quarter results on Tuesday, and both its performance and guidance fell short of expectations in key areas. While the company reported non-GAAP (adjusted) earnings of $0.08 per share -- beating the average analyst's estimate of $0.02 per share -- its ...