By Charlie Conchie Another firm is reportedly gearing up to float on the London Stock Exchange in the coming weeks as the City begins to show signs of revival after a barren period for the market. California-based wound care specialist Advanced Oxygen Therapy Inc (AOTI) is drawing up plans to raise around £39.5m on the London Stock Exchange’s junior AIM market through an initial public offering next month, Sky News reported today. If successful, the IPO will value AOTI at around £160m, sources told the outlet. The company did not immediately respond to a request for comment. News of the plans …