Netflix Inc. is pulling out all the stops to reverse a recent exodus of subscribers, but will it be enough? Investors are likely to get a partial answer on Tuesday, when the company releases its second-quarter results.

In a dire time for tech stocks, none has been battered more than the streaming giant, which suffered its first quarterly decline in subscribers in a decade to start the year, contributing to the stock cratering 71% so far this year. Netflix NFLX has hemorrhaged subscribers to churn, as consumers bounce from…