Uber Technologies posted a strong fourth quarter, but stock pullbacks show that investors are focused on what lies ahead. Analysts are not entirely optimistic about its near-term profitability, as they are concerned about margin compression. At least one bank thinks investors need to brace for choppier near-term profitability as the company reinvests in tech expansion. The transport and food delivery player is currently at a crossroads between technical advancement and a legal fight that may set a precede ...