Japan stocks hit by Wall Street drop, concerns about global slowdown

* Nikkei below key 25-day moving average for 1st time in 2 weeks * Domestic earnings expectations lift some local companies By Ayai Tomisawa TOKYO, July 27 (Reuters) - Japan's Nikkei share average fell on Monday, hit by losses in U.S. shares after dismal corporate earnings soured the mood and as worries about slowing global growth capped risk appetite. The Nikkei share average dropped 0.8 percent to 20,377.45 points by mid-morning, falling below its 25-day moving average of 20,4