By Louis Goss INVESTORS gave Naked Wines a sniff yesterday after two shock stock market announcements – and sent the sommellier back to the cellar. Shares were down almost 40 per cent yesterday after the firm this week announced the departure of a non-executive director after just two weeks and a worrying business update. Wayne Brown, an analyst at Liberum, wrote in a scorching note yesterday that “something has gone awry.” Brown said the business update “could imply a smaller business in the future and reining in ambitions… which makes sense considering how poor key performance indicators are…